Perhaps you should try some spelling variations:
thanh nhan » thanh phan, thanh san, thanh toan
hoc nhanh » hoc nganh
chung hoc » trung hoc, dung hoc, hung hoa
hoi thanh » hoc thanh, hai thanh, hoa thanh
cach hoc » cach thuc, cach thoi, dich hoc
hoc phan » hoc dan, hoc pho
nhan tai » hang tai, van tai, toan tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
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 cach hoc tap, nghien cuu mon ((hoc nhanh) or (hoc phan)) chung hoc ma hoi thanh nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mon ((hoc nhanh) OR (hoc phan)) chung hoc ma hoi thanh nhan tai.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon ((hoc nhanh) or (hoc phan)) chung hoc ma hoi thanh nhan tai*.