Perhaps you should try some spelling variations:
hang doanh » nhung doanh, van doanh, dung doanh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
cua trong » cua truong, cua trung, qua trong
cong san » cong tac
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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

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