Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
toan cao » 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 sach - hanh ((tang cua) or (mang cua)) dung cong tan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((tang cua) OR (mang cua)) dung cong tan ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((tang cua) or (mang cua)) dung cong tan ((toan ban) or (toan cao))*.