Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nganh khong » nganh cong, nhanh chong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thuoc lai » thuoc tai, thuoc la, thuoc sai
thoi tap » toi tap, hoc tap, thoi dai
cuu tong » cuu cong, cuu tinh, huu tung
tu cach » tu cac
lai hoi » dai hoi, lai hoa, lai roi
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao

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

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