Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
trung cap » trung tam
hang cong » dang cong, hang nong, bang cong
cong tan » cong tac, cong san, cong thanh
han cho » hang cho, san cho, van cho

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 - hanh ((trung cap) or (truong cao)) hang cong tan ((han cho) or (han che))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((trung cap) OR (truong cao)) hang cong tan ((han cho) OR (han che)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trung cap) or (truong cao)) hang cong tan ((han cho) or (han che))*.