"pose obstacles to" is a correct phrase and it can be used in written English.
It means to present difficulties or challenges to something or someone. Example: The new regulations posed obstacles to small businesses, making it difficult for them to survive. In this sentence, "pose obstacles to" is used to express how the new regulations create difficulties for small businesses.
These problems pose obstacles to the eradication of torture in China".
But numerous outstanding differences in the bills could pose obstacles to that timetable, including an emotionally charged dispute over provisions related to the insurance coverage of abortions.
Palestinian Prime Minister Salam Fayyad made a similar point when he asserted, "The Israeli restrictions still pose obstacles to the improvement of the economy".
The vote was 5 to 4, with an unusual lineup of justices, in a decision that, beyond the context of cable television, could pose obstacles to government efforts to regulate content in new media.
But, he says, the problems do not outweigh the benefits he received from the government or pose obstacles to the success of his business.The programme has critics, but its architects have been keen to solicit a broad range of opinions about it.
These facts pose obstacles to deliberate social change.
Mr. Mosites said old traffic patterns and other constraints had posed obstacles to development.
Similar claims have also posed obstacles to investigating the Bush administration's use of brutal interrogations and secret prisons in the years immediately following the Sept. 11 attacks.
The "nonindigenous" label ultimately blocked certain Indonesians from the highest government, military, and academic positions; it also posed obstacles to their obtaining passports and identity cards.
But part of the blame lies with a system of tacit complicity between critics and the industry that poses obstacles to the recognition of independent films.
Although richly endowed with natural resources, Yunnan remained an underdeveloped region until relatively recent times; for centuries the ethnic, religious, and political separatism of the province posed obstacles to the efforts of a central government to control it.
