Perhaps you should try some spelling variations:
chuc nganh » chuc nang, hoc nganh, cac nganh
nganh cong » nhanh chong, thanh cong
dong chuc » cong chuc, don chuc, dong cuc
cuu dong » cuu cong, cuu tong, cuu long
cong hoa » dong hoa, dong hoc, hang hoa
te sach » toc sach
so sach » so sanh, bo sach, co sach
hoa lai » hoa dai, hoa li, ho lai
lai hoi » dai hoi, lai hoa, lai roi
va phan » van phan, va phat, va phap
phan va » phan van, nhan va, han va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (so sach)) hoc tap, nghien cuu dong chuc nganh cong hoa lai hoi va phan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (so sach)) hoc tap, nghien cuu dong chuc nganh cong hoa lai hoi va phan va.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (so sach)) hoc tap, nghien cuu dong chuc nganh cong hoa lai hoi va phan va*.