Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san
dung cong » dung trong
thanh va » thanh van, hanh va, thanh ha
va dung » van dung, va duong, vat dung

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

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