Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
chieu quang » hieu quang, thieu quang, chu quang
theo chieu » theo tieu, ho chieu, theo chu
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
thong van » trong van, thong va, thong quan
han tai » hang tai, nhan tai, toan tai
van 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 chieu quang - hanh doanh cua khong thong van ((han tai) or (((van tai) OR (von tai))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu quang - hanh doanh cua khong thong van ((han tai) OR (((van tai) OR (von tai)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu quang - hanh doanh cua khong thong van ((han tai) or (((van tai) OR (von tai))))".
• Adding a wildcard symbol may retrieve word variants: theo chieu quang - hanh doanh cua khong thong van ((han tai) or (((van tai) OR (von tai))))*.