Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
tien manh » tien anh, tien thanh, tieng anh
toc tien » hoc tien, toc mien, toc stieng
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 - 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 - thanh trung va nhung cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: toc tien manh - thanh trung va nhung cong tan ((toan tap) or (toan ban))*.