Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu qua » hieu qua, khien qua, hieu cua
cua khong » cua phuong, cua thuong, cua cong
hua khong » hoa khong, hoac khong, phuc khong
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 chieu qua - hanh doanh ((cua khong) OR (hua khong)) thong quan hang tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu qua - hanh doanh ((cua khong) OR (hua khong)) thong quan hang tai".
• Adding a wildcard symbol may retrieve word variants: theo chieu qua - hanh doanh ((cua khong) OR (hua khong)) thong quan hang tai*.