Matched context for obstacle and difficulty

The page lists matched contexts for obstacle and difficulty.

Share - obstacle	Share - difficulty	Phrase
8.88%	10.92%	encounter {obstacle or difficulty} [perform operation]
1.01%	10.11%	overcome {obstacle or difficulty} [perform operation]
3.24%	3.17%	present {obstacle or difficulty} [perform operation]
3.44%	2.29%	avoid {obstacle or difficulty} [perform operation]
0.82%	0.32%	find {obstacle or difficulty} [perform operation]
0.94%	1.05%	not {obstacle or difficulty}
2.14%	0.37%	present [chronology] {obstacle or difficulty}