Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
cho thanh » cho phan, tro thanh, cuu thanh
thanh van » thanh san, thanh toan, thanh phan
cuu cong » cua cong, thu cong, cac cong
cong hoc » cong hoa, cong coc, cong ho
dong hoc » dong co, dong luc
tu manh » tu hanh, vu manh, tung manh
tu minh » thu minh, vu minh, thi minh
hoi cho » hoi chu, hoi co, hoc cho
ho tap » hoc tap, ho hap, ho 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 (tu minh)) ho tap, nghien cuu cong hoc nhanh dong hoc ma hoi cho thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu manh) OR (tu minh)) ho tap, nghien cuu cong hoc nhanh dong hoc ma hoi cho thanh van.
• Adding a wildcard symbol may retrieve word variants: ((tu manh) or (tu minh)) ho tap, nghien cuu cong hoc nhanh dong hoc ma hoi cho thanh van*.