Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
chua dong » cua dong, ha dong, huy dong
thong van » trong van, thong va, thong quan
cua nong » cua cong, cuu nong, cua dong
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh doanh ((cua nong) or (chua dong)) thong van ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh doanh ((cua nong) OR (chua dong)) thong van ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh doanh ((cua nong) or (chua dong)) thong van ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh doanh ((cua nong) or (chua dong)) thong van ((toan tap) OR (toan ban))*.