Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trong san » trong cac, cong san, dong san
trung ap » trung cap, trung lap, trung tam
than cap » khan cap, thanh lap, thanh cac
khoa cam » khoan cam, khoa kham, khoa ma
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: theo chieu sach - thanh trung ap dung trong san ((than cap) or (khoa cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung ap dung trong san ((than cap) OR (khoa cam)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung ap dung trong san ((than cap) or (khoa cam))*.