Perhaps you should try some spelling variations:
hanh hoc » thanh hoc, hinh hoc, anh hoc
cuu hoan » luu hoang, cuu van, cuu khoa
luu hanh » huu han
dan khoa » dang khoa, da khoa, san khoa
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
va phan » van phan, va phat, va phap
ma hoi » mai hoi, xa hoi, ma hoa
thuc » thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuc hanh hoc tap, nghien ((cuu hoan) or (luu hanh)) hoc dan khoa hoc ma hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc hanh hoc tap, nghien ((cuu hoan) OR (luu hanh)) hoc dan khoa hoc ma hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: thuc hanh hoc tap, nghien ((cuu hoan) or (luu hanh)) hoc dan khoa hoc ma hoi va phan van*.