Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhanh dung » nhanh dong, hanh dung, nhanh hung
cua nhung » va nhung
cong lang » cong vang, cong luong, cong quang
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) OR (chieu sang)) - nhanh dung cua nhung ((cong tac) or (cong lang)) hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - nhanh dung cua nhung ((cong tac) OR (cong lang)) hang ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chieu sang)) - nhanh dung cua nhung ((cong tac) or (cong lang)) hang ca".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chieu sang)) - nhanh dung cua nhung ((cong tac) or (cong lang)) hang ca*.