Perhaps you should try some spelling variations:
thanh trong » thanh trung, hanh trong, nhanh trong
tranh trong » tran trong, trinh trong, anh trong
trong dang » truong dang, trong dan, trong dong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trong tan » trong quan, trong cac, trong ca
toan cau » 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 trong) OR (tranh trong)) xay dung ((trong dang) or (trong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((thanh trong) OR (tranh trong)) xay dung ((trong dang) OR (trong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((thanh trong) OR (tranh trong)) xay dung ((trong dang) or (trong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((thanh trong) OR (tranh trong)) xay dung ((trong dang) or (trong tan)) toan cau*.