Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
sach duoc » sach nuoc, sach dao, sach dung
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
cach hoc » cach thuc, cach thoi, dich hoc
va pham » van pham, va phat, va phap
mo hoc » mon hoc, co hoc
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 ((sach duoc) or (cach hoc)) tap, nghien cuu mo hoc nhanh chong hoc ma hoi va pham van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach duoc) OR (cach hoc)) tap, nghien cuu mo hoc nhanh chong hoc ma hoi va pham van.
• Adding a wildcard symbol may retrieve word variants: tu ((sach duoc) or (cach hoc)) tap, nghien cuu mo hoc nhanh chong hoc ma hoi va pham van*.