The phrase "apply the same technique" is correct and usable in written English.
You can use it when discussing methods or approaches that can be used in similar situations or tasks.
Example: "In solving this problem, you can apply the same technique that we used in the previous example."
Alternatives: "use the same method" or "employ the same approach."
He said he and his colleagues expected to apply the same technique to other cancers.
There were the young lions who had learned to hunt Cape buffalo and were trying, with slapstick results, to apply the same technique to an oblivious impala.
Sirigu and her team now hope to apply the same technique to patients with less serious brain injuries, where even more substantial improvements might be possible.
In a complex, ambiguous, and fast-evolving operation, every commander from the top down must be involved in the mission-planning process and apply the same technique.
Macaronic, originally, comic Latin verse form characterized by the introduction of vernacular words with appropriate but absurd Latin endings: later variants apply the same technique to modern languages.
Even though we're not officially issuing forecasts for these states, we can apply the same technique that we have in the past and consider stronger and weaker scenarios for each candidate.
Now Wolfram wants to apply the same techniques to people's personal data, an idea he calls "personal analytics". He started with himself.
At Warner, Mr. Kirshbaum had relied on Hollywood-style promotions and a mighty sales force to churn out a steady stream of best-sellers, and he pushed Ms. Crichton to apply the same techniques to Little, Brown's literary books.
If you manage to apply the same techniques to a large feather to produce a quill (more difficult by about 10-fold), then after everyone's gone to bed, you must prick your thumb and scrawl out your last will and testimony in your own blood.
