Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
thuoc sach » hoc sach, nuoc sach, thuat sach
sach thoi » cach thoi, sach hoi, sach tham
khong hoc » khung hoc, thong hoc, khong thuoc
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
co nganh » hoc nganh, cac nganh, moi nganh
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » van nhan, va phan, va nha

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach thoi tap, nghien cuu dong co nganh khong hoc mai hoi ((va nhan) or (ca nhan)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach thoi tap, nghien cuu dong co nganh khong hoc mai hoi ((va nhan) OR (ca nhan)) va.
• Adding a wildcard symbol may retrieve word variants: thuoc sach thoi tap, nghien cuu dong co nganh khong hoc mai hoi ((va nhan) or (ca nhan)) va*.