Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh doanh » hang doanh, chinh doanh, doanh doanh
theo hieu » theo chieu, theo tieu, thien hieu
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
thong van » trong van, thong va, thong quan
toan tai » toan tap, doanh tai, toan ban
van tai » von tai, van tuan

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 quang - hanh doanh cua thong thong van ((toan tai) or (van tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu quang - hanh doanh cua thong thong van ((toan tai) OR (van tai)).
• Adding a wildcard symbol may retrieve word variants: theo hieu quang - hanh doanh cua thong thong van ((toan tai) or (van tai))*.