Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nhan khong » nhan thong, nhanh chong, nganh khong
cach thoi » cac thoi, cach thuc, cach noi
dong tran » dong tranh, dang tran, dong tren
tran nhan » tran nhat, tan nhan, tran han
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
thuoc xa » thuoc ma, thuoc va, thuoc la
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
va nhan » ca 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: tu cach thoi tap, nghien cuu dong tran nhan khong thuoc xa hoi ((va nhan) or (van nhan)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu dong tran nhan khong thuoc xa hoi ((va nhan) OR (van nhan)) va.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu dong tran nhan khong thuoc xa hoi ((va nhan) or (van nhan)) va*.