Perhaps you should try some spelling variations:
hang doanh » hanh doanh, nhung doanh, van doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
cong thanh » dong thanh, cong trinh, cong tan
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, hoang manh
doanh va » doan va, doanh tai, doanh cua
toan tap » toan ban

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 sang) or (hieu lang)) - hang doanh va nhung ((cong manh) OR (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hang doanh va nhung ((cong manh) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (hieu lang)) - hang doanh va nhung ((cong manh) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - hang doanh va nhung ((cong manh) OR (cong thanh)) toan tap*.