Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
dang cong » dung cong
dien anh » tieng anh, dien dan
dung cua » dung luan
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » 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 ((tien thanh) or (dien anh)) - anh ((dung cua) or (dung cho)) dang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (dien anh)) - anh ((dung cua) OR (dung cho)) dang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (dien anh)) - anh ((dung cua) or (dung cho)) dang cong dan toan cau*.