Perhaps you should try some spelling variations:
thanh trung » thanh tung
tien thanh » tien thinh, tran thanh, den thanh
nhung cong » dung cong, thong cong, hang cong
tien manh » tien anh, tieng anh, tran manh
trung va » truong va, trang va, trung ha
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((tien manh) OR (tien thanh)) - thanh trung va nhung cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((tien manh) OR (tien thanh)) - thanh trung va nhung cong tan ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((tien manh) OR (tien thanh)) - thanh trung va nhung cong tan ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc ((tien manh) OR (tien thanh)) - thanh trung va nhung cong tan ((toan tap) or (toan ban))*.