Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » thong cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
tran van » luan van
than cao » thai cao, than cap, than sao
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: theo tieu xanh - thanh tran van ((nhung cong) or (dung cong)) dan ((than cao) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh tran van ((nhung cong) OR (dung cong)) dan ((than cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh tran van ((nhung cong) or (dung cong)) dan ((than cao) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh tran van ((nhung cong) or (dung cong)) dan ((than cao) OR (toan cao))*.