Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
theo hieu » theo chieu, theo tieu, thien hieu
cua khong » hua khong, cua phuong, cua thuong
quan hang » quan hoang, quan lang, quan hanh
hang tai » hang va, dung tai

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