Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong tap » cuong tap, cong tac, cong tan
doan cau » toan cau, doan dau, doanh chau
doan cap » doanh cao, dan ca, toan cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu sang)) - canh tranh cua hang cong tap ((doan cau) OR (doan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - canh tranh cua hang cong tap ((doan cau) OR (doan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu sang)) - canh tranh cua hang cong tap ((doan cau) OR (doan cap))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - canh tranh cua hang cong tap ((doan cau) OR (doan cap))*.