Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu xanh » chieu sach, chieu sang, chieu tinh
hang cong » dang cong, hang nong, bang cong
cong toan » cong tan, cong hoan, cong tuan
tranh va » tranh van, trang va, trinh va
phan cau » phan dau, phan cac, phan lap
va hang » van hang, va nang, va lang

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

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