Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
dang qua » dung qua, dang quang, duong qua
danh qua » hanh qua, doanh quan, manh quan
toan cao » toan ban
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - anh ((dang qua) OR (danh qua)) dung trong thanh ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - anh ((dang qua) OR (danh qua)) dung trong thanh ((toan cao) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - anh ((dang qua) OR (danh qua)) dung trong thanh ((toan cao) or (toan tap))*.