Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hang doanh » nhung doanh, van doanh, dung doanh
khong cong » thong cong, khong cang, chong cong
hieu lang » chieu sang, nhieu tang, hieu van
cua khong » hua khong, cua phuong, cua thuong
cong san » cong tac
san han » san phan, san van, van han
han tap » han tai, toan tap, nhan tai

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

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