Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tac » cong ty
toan ban » van ban

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 manh cua nhung ((cong tac) or (cong thanh)) ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh manh cua nhung ((cong tac) OR (cong thanh)) ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh manh cua nhung ((cong tac) or (cong thanh)) ((toan ban) or (toan tap))*.