Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
dan dung » van dung, tin dung
cong san » cong tac
toan ban » van ban
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh thong ((ap dung) or (dan dung)) ((cong thanh) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh thong ((ap dung) OR (dan dung)) ((cong thanh) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh thong ((ap dung) or (dan dung)) ((cong thanh) or (cong san)) toan ban*.