Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach thuc » anh thuc, cac thu
thuc tap » tuc tap, thuc thai, thuc vat
dan khoa » dang khoa, da khoa, san khoa
khoa hoc » hoa hoc
tu cach » tu cac
cua mon » cua mot, cua moi, cua con
mon hoc » toan hoc, dong hoc
va nhan » van nhan, va phan, va nha
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 cach thuc tap, nghien cua mon hoc dan khoa hoc xa hoi ((va nhan) or (ca nhan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thuc tap, nghien cua mon hoc dan khoa hoc xa hoi ((va nhan) OR (ca nhan)) van.
• Adding a wildcard symbol may retrieve word variants: tu cach thuc tap, nghien cua mon hoc dan khoa hoc xa hoi ((va nhan) or (ca nhan)) van*.