Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
chung hoc » trung hoc, dung hoc, phung ho
hoa thanh » hoan thanh, ha thanh, hoc thanh
cach hoc » cach thuc, cach thoi, dich hoc
hoc phan » hoc dan, hoc pho
hung hoa » hang hoa, ung hoa, trung hoa
hang tai » hang va, dung tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu mon hoc phan ((chung hoc) or (hung hoa)) ma hoa thanh hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mon hoc phan ((chung hoc) OR (hung hoa)) ma hoa thanh hang tai.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon hoc phan ((chung hoc) or (hung hoa)) ma hoa thanh hang tai*.