Perhaps you should try some spelling variations:
thanh tung » thanh cong
bang cong » dang cong, bang song, hang cong
hoc tieu » hoc thieu, hoc sieu, hoc tieng
hoc dieu » hoc thieu, hoc hien
tung van » trung van, tang van, dung van
van bang » van ban, van nang, von bang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc tieu) or (hoc dieu)) tinh - thanh tung van bang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tieu) OR (hoc dieu)) tinh - thanh tung van bang cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc tieu) or (hoc dieu)) tinh - thanh tung van bang cong dan than cau*.