Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
dong luc » nang luc
tu sach » thu sach, su sach, tu cach
te sach » toc sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
luc ma » luc va, luc ha, suc ma
hoa vi » hoa vo, hoa li, hoa va
pham » phan

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) or (te sach)) hoc tap, nghien cuu mon hoc nhanh dong luc ma hoa vi pham van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) hoc tap, nghien cuu mon hoc nhanh dong luc ma hoa vi pham van.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) hoc tap, nghien cuu mon hoc nhanh dong luc ma hoa vi pham van*.