Perhaps you should try some spelling variations:
thanh tung » thanh cong
bang thanh » dang thanh, tang thanh, nang thanh
dong thanh » truong thanh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tung luan » dung luan, tang luan, tong luan
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
ban thanh » ban hanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - thanh tung luan cong cong ((((bang thanh) OR (ban thanh))) or (dong thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh tung luan cong cong ((((bang thanh) OR (ban thanh))) OR (dong thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - thanh tung luan cong cong ((((bang thanh) OR (ban thanh))) or (dong thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh tung luan cong cong ((((bang thanh) OR (ban thanh))) or (dong thanh)) cau*.