Perhaps you should try some spelling variations:
theo trieu » theo tieu, theo chieu, thep tieu
thanh tong » thanh cong, thanh tung, thanh long
tong luan » tang luan, dung luan, hang luan
luan han » luan hoan, luan phan, luan van
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo trieu tinh - thanh tong luan han ((cong dan) or (cong san)) ((than cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo trieu tinh - thanh tong luan han ((cong dan) OR (cong san)) ((than cao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo trieu tinh - thanh tong luan han ((cong dan) or (cong san)) ((than cao) or (than cap))*.