Perhaps you should try some spelling variations:
thanh gian » thanh giang, thach giang, thanh san
hoa thanh » hoan thanh, ha thanh, hoc thanh
cach hoc » cach thuc, cach thoi, dich hoc
hoc phan » hoc dan
tuong ho » tong hop
gian dan » gian lang
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
ho ma » hoc ma, co ma, ho ba

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) or (hoc pho)) tuong ho ma hoa thanh gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mon ((hoc phan) OR (hoc pho)) tuong ho ma hoa thanh gian dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon ((hoc phan) or (hoc pho)) tuong ho ma hoa thanh gian dan*.