Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
thuyet anh » thuyet kinh, thuy anh, thuyet dan
nhung cong » dung cong, thong cong, nhung don
thanh toan » thanh hoa, thanh san, tinh toan
chinh sua » chinh su, chinh cua, chinh luan
hang cong » dang cong, hang nong, bang cong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thuyet anh - hanh chinh sua ((nhung cong) or (hang cong)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thuyet anh - hanh chinh sua ((nhung cong) OR (hang cong)) thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thuyet anh - hanh chinh sua ((nhung cong) or (hang cong)) thanh toan cao*.