Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh dung » nhanh dong, hanh dung, nhanh hung
cua nhung » va nhung
cong lang » cong luong, cong quang, cong ngang
cong vang » cong quang, cong ngang, cong san
dung cua » dung luan, dung cho
cong tac » cong ty
hang ca » hang va, nang cao, hang tai

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 - nhanh dung cua nhung ((cong tac) or (((cong lang) OR (cong vang)))) hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - nhanh dung cua nhung ((cong tac) OR (((cong lang) OR (cong vang)))) hang ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - nhanh dung cua nhung ((cong tac) or (((cong lang) OR (cong vang)))) hang ca".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - nhanh dung cua nhung ((cong tac) or (((cong lang) OR (cong vang)))) hang ca*.