Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tang thanh » dang thanh, trung thanh, hoang thanh
cong tang » cong thang, cong tan, cong lang
thanh cap » thanh lap, hanh cap, than cap
tam dung » tam duong, tan dung, am dung
tac dung » sach dung, xay dung, tin 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 - thanh trung ((tam dung) OR (tac dung)) cong tang thanh cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh trung ((tam dung) OR (tac dung)) cong tang thanh cap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung ((tam dung) OR (tac dung)) cong tang thanh cap*.