Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
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 khong » hua khong, cua phuong, cua thuong
van phan » van phong, van thanh, luan phan
van han » van hanh, van nhan, van hoan

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 khong thong ((van han) OR (van phan)) tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu quang - hanh doanh cua khong thong ((van han) OR (van phan)) tai".
• Adding a wildcard symbol may retrieve word variants: theo hieu quang - hanh doanh cua khong thong ((van han) OR (van phan)) tai*.