Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
manh cua » doanh cua
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
toan cao » toan ban, toan tap
ban cua » ban quan

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 - canh ((manh cua) or (ban cua)) trong cong tan ((than cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh ((manh cua) OR (ban cua)) trong cong tan ((than cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh ((manh cua) or (ban cua)) trong cong tan ((than cau) or (toan cao))*.