Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
hoc phan » hoc dan, hoc pho
khoa hoc » hoa hoc
van phan » van phong, van thanh, luan phan
phan van » pham van, thanh van, luan van
anh hoc » sinh hoc, benh hoc, hinh hoc
cuu mon » cuu mo, cuu mot, cuu cong
hai van » thai van, ha van, hai tan
va hai » van hai, va chai, va khai

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

• Performing a fuzzy search may retrieve terms with similar spellings: le anh hoc tap, nghien cuu mon ((hoc nganh) or (hoc phan)) khoa hoc va hai van phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: le anh hoc tap, nghien cuu mon ((hoc nganh) OR (hoc phan)) khoa hoc va hai van phan van.
• Adding a wildcard symbol may retrieve word variants: le anh hoc tap, nghien cuu mon ((hoc nganh) or (hoc phan)) khoa hoc va hai van phan van*.