Perhaps you should try some spelling variations:
trong cuoc » trong cac
cong cuoc » song cuoc, luong cuoc, huong cuoc
hanh dong » anh dong, ha dong
manh hon » manh ho, minh hon, manh huong
dong hoc » dong co, dong luc
phan van » pham van, thanh van, luan van
vu manh » vu minh, vu anh, tu manh
hon tap » hoc tap, han tap, con tap
ma hoi » mai hoi, xa hoi, ma hoa
hoi co » moi co

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 ((cong cuoc) or (trong cuoc)) hanh dong hoc ma hoi co phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu manh hon tap, nghien cuu ((cong cuoc) OR (trong cuoc)) hanh dong hoc ma hoi co phan van.
• Adding a wildcard symbol may retrieve word variants: vu manh hon tap, nghien cuu ((cong cuoc) or (trong cuoc)) hanh dong hoc ma hoi co phan van*.