Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
nhan chan » nhan chat, nhan nhanh, khang chan
toc hieu » toc thieu, doc hieu, hoc thieu
nhan han » nhan dan, nhan van, ngan han
cong van » cong vang, cong san, song van
van chat » cao chat
van van » van ban, tan van, san van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu lang - canh doanh ((nhan han) or (nhan chan)) cong van van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu lang - canh doanh ((nhan han) OR (nhan chan)) cong van van chat*.