The phrase "approach failed to" is correct and usable in written English.
It can be used when discussing a method or strategy that did not achieve its intended outcome or results.
Example: "The new marketing approach failed to generate the expected increase in sales."
Alternatives: "method did not" or "strategy was unable to".
As the former first lady's initial approach failed to blunt Mr. Obama's rise, Mr. Penn increasingly favored tougher attacks; some colleagues argued internally that they would be counterproductive.
Another reason might be that the three-times-a-week approach failed to establish a routine that fitted into one's daily life.
But the straightforward approach failed to persuade Susan Fournier, an associate professor at Harvard Business School who specializes in marketing and branding.
Other feminists, by contrast, argued that this liberal assimilationist approach failed to challenge the deeply problematic value structure that associated femininity with inferiority.
When that approach failed to bring about desired results, the government returned to Soviet-type central planning and an orthodox system of socialist incentives.
This approach failed to take account of the unique importance of museums: the treasures they display are the common threads that link us to each other, to our past, to other cultures.
The C.I.A., responding to rapidly expanding priorities, and the F.B.I., bogged down by its case-oriented reactive approach, failed to share crucial information with each other and in some instances failed to follow up potentially important leads.
But Google's approach failed to appease Beijing, and Google was forced to modify it again late last month, by offering users a link on Google.cn rather than the automatic referral to the Hong Kong site.
"This approach failed to prevent the build-up of imbalances that presaged the crisis and was insufficient in dealing with failing banks and financial-market stress as the crisis developed.
This market-based approach failed to provide much help for those trapped in deep poverty — an increasing part of the poor population — nor did it deploy redistributive measures that could have reduced economic inequality.
Moreover, augmented KF-FOS approach failed to select candidates for the model in outages #2, #5, #7 and #8.
