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