Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
luc nganh » luc ngan, chuc nganh, luat nganh
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
cong hoc » dong hoc, cong hoa, cong coc
tu sach » thu sach, su sach, te sach
so sach » so sanh, bo sach, co sach
va phan » van phan, va phat, va phap
phan va » phan van, nhan va, han va
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) or (so sach)) hoc tap, nghien cuu dong luc nganh cong hoc ma hoi va phan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) hoc tap, nghien cuu dong luc nganh cong hoc ma hoi va phan va.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) hoc tap, nghien cuu dong luc nganh cong hoc ma hoi va phan va*.