Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, nhieu tang, hieu van
doanh cua » doanh luan
cua trong » cua truong, cua trung, qua trong
cong ban » cong bang, cong san, cong tan
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) OR (hieu quang)) - canh doanh cua trong cong ban ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - canh doanh cua trong cong ban ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (hieu quang)) - canh doanh cua trong cong ban ((than tap) or (phan tap))".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (hieu quang)) - canh doanh cua trong cong ban ((than tap) or (phan tap))*.