Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
tinh hoc » sinh hoc, tin hoc, hinh hoc
cuu dong » cuu cong, cuu tong, cuu long
khoa hoc » hoa hoc
te tinh » tue tinh, tre tinh, ve tinh
hai van » thai van, ha van, hai tan
ma hai » ta hai, va hai, xa hai

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

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