Perhaps you should try some spelling variations:
phan cong » thanh cong
manh hon » manh ho, minh hon, manh huong
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
hoc phan » hoc dan, hoc pho
nhan dan » phan dau, gian dan, nhan tai
vu manh » vu minh, vu anh, tu manh
hon tap » hoc tap, han tap, con tap
cong do » cuong do, cong dot, cong so
nhan va » nhan tai, nhan tao, phan van
do xa » doi xa, do va, o xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu manh hon tap, nghien cuu dong hoc phan cong do xa hoi va ((nhan va) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu manh hon tap, nghien cuu dong hoc phan cong do xa hoi va ((nhan va) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: vu manh hon tap, nghien cuu dong hoc phan cong do xa hoi va ((nhan va) or (nhan dan))*.