Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
thanh van » thanh san, thanh toan, thanh phan
cho thanh » cho phan, tro thanh, cuu thanh
coc nhanh » hoc nhanh, doc nhanh, cach nhanh
dong hoc » dong co, dong luc
cong coc » cong cuoc, cong cac, cong co
cuu cong » cua cong, thu cong, cac cong
vu minh » vu dinh, van minh
hoc mai » hoc ma, hoc dai, hoc may
mai hoi » mai khoi, dai hoi, lai hoi
hoi cho » hoi chu, hoi co, hoc cho
tu manh » tu minh, tu hanh, vu manh
ho tai » hoc tai, hoi tai, nho tai

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 cuu cong coc nhanh dong hoc mai 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 cuu cong coc nhanh dong hoc mai hoi cho thanh van.
• Adding a wildcard symbol may retrieve word variants: ((tu manh) or (vu minh)) ho tai, nghien cuu cong coc nhanh dong hoc mai hoi cho thanh van*.