Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
toan thanh » tran thanh, hoan thanh, tan thanh
toan thang » toan thong, thanh thang, tran thanh
hang cong » dang cong, hang nong, bang cong
hoc tien » hoc tieng, hoc hien, hoc vien
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 tien thanh - manh ((toan thanh) or (toan thang)) hang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien thanh - manh ((toan thanh) OR (toan thang)) hang cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc tien thanh - manh ((toan thanh) or (toan thang)) hang cong dan than cau*.