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
thang ap » tang ap, thanh lap, thang tam
thang ay » thang ngay, thanh tay, thang tam
toan cau » toan ban, toan tap, toan tai
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 chieu xanh - thanh ((thang ap) or (thang ay)) dung trong thanh ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh ((thang ap) OR (thang ay)) dung trong thanh ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((thang ap) or (thang ay)) dung trong thanh ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((thang ap) or (thang ay)) dung trong thanh ((toan cau) OR (toan cao))*.