Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
luc nganh » luc ngan, chuc nganh, luat nganh
thanh hoa » thanh pho
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
khoa hoc » hoa hoc
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
toan » tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoc tap, nghien cuu dong luc nganh khoa hoc ma hoi va ((thanh hoa) or (tinh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cuu dong luc nganh khoa hoc ma hoi va ((thanh hoa) OR (tinh toan)).
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu dong luc nganh khoa hoc ma hoi va ((thanh hoa) or (tinh toan))*.