Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
thanh nhan » thanh phan, thanh san, thanh toan
hoc nganh » hoc nhanh
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
tu sinh » thu sinh, tuc sinh, tu minh
mo hoc » mon hoc, co hoc
hoc xa » hoc ma

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

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