Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
thuat sach » thuat lanh, thuat san
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
sach hoc » cach hoc, sach hoi, mach hoc
nhan dan » phan dau, gian dan, nhan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai van » thai van, ha van, hai tan
nhan va » nhan tai, nhan tao, phan van
ma hai » ta hai, va hai, xa hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach hoc tap, nghien cuu mon hoc nhanh chong hoc ma hai van ((nhan va) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach hoc tap, nghien cuu mon hoc nhanh chong hoc ma hai van ((nhan va) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: thuat sach hoc tap, nghien cuu mon hoc nhanh chong hoc ma hai van ((nhan va) or (nhan dan))*.