Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, phan thanh
chanh doanh » chinh doanh, hanh doanh, chan doan
thanh phan » thanh pho, thanh san, thanh toan
tu chanh » tu hanh, tu thanh, tu chung
doanh va » doan va, doanh tai, doanh cua
lam khi » lam kho, ham khai, lam khac
va khi » va chi, va kha, va ki

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu chanh doanh va khi đong luc ) or ( tai ((thanh thanh) OR (thanh phan)) lam khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu chanh doanh va khi đong luc ) OR ( tai ((thanh thanh) OR (thanh phan)) lam khi đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu chanh doanh va khi đong luc ) or ( tai ((thanh thanh) OR (thanh phan)) lam khi đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( tu chanh doanh va khi đong luc ) or ( tai ((thanh thanh) OR (thanh phan)) lam khi đong luc ))*.