Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
van nhan » van phan, danh nhan, van khanh
te cach » ve cach, te sach, tu cach
la khoa » lao khoa, lap khoa, da khoa
hoc la » hoc lam, hoc lap, hoc lao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cach thoi tap, nghien cuu dong hoc nganh khoa hoc la khoa ((van nhan) or (van thanh)) dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach thoi tap, nghien cuu dong hoc nganh khoa hoc la khoa ((van nhan) OR (van thanh)) dan.
• Adding a wildcard symbol may retrieve word variants: te cach thoi tap, nghien cuu dong hoc nganh khoa hoc la khoa ((van nhan) or (van thanh)) dan*.