Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
canh doanh » chinh doanh, doanh doanh, kinh doanh
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
chi tinh » chai tinh, chi minh, chi binh
cong van » cong vang, cong san, song van
doi chi » doi khi
van van » tan van, san van, van vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tinh - ((canh doanh) or (hanh doanh)) luan hang cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - ((canh doanh) OR (hanh doanh)) luan hang cong van van ban.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - ((canh doanh) or (hanh doanh)) luan hang cong van van ban*.