Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh dong » hanh dong, nhanh chong, anh dong
cac nhanh » cach nhanh, cac nganh, cac nhan
cho thanh » cho phan, tro thanh, cuu thanh
thanh van » thanh san, thanh toan, thanh phan
cong cac » cuong cac, cong tac, cong cau
dong hoc » dong co, dong luc
tu manh » tu minh, tu hanh, vu manh
vu minh » vu dinh, van minh
hoi cho » hoi chu, hoi co, hoc cho
ho tai » hoc tai, hoi tai, nho tai
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu manh) or (vu minh)) ho tai, nghien cua cong cac nhanh dong hoc ma hoi cho thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu manh) OR (vu minh)) ho tai, nghien cua cong cac nhanh dong hoc ma hoi cho thanh van.
• Adding a wildcard symbol may retrieve word variants: ((tu manh) or (vu minh)) ho tai, nghien cua cong cac nhanh dong hoc ma hoi cho thanh van*.