Perhaps you should try some spelling variations:
thanh tranh » thanh thanh, thanh tran, thanh trang
tranh lam » thanh lam, trinh lam, tran lam
tu chanh » tu hanh, tu thanh, tu chung
doanh va » doan va, doanh tai, doanh cua
ta thanh » tai thanh, va thanh, ha thanh
tu canh » thu canh, tu can, tu hanh
lam khi » lam kho, ham khai, lam khac
va ki » va khi, va ky, ve 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 canh) or (tu chanh)) doanh va ki đong luc ) or ( ta thanh tranh lam khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((tu canh) OR (tu chanh)) doanh va ki đong luc ) OR ( ta thanh tranh lam khi đong luc )).
• Adding a wildcard symbol may retrieve word variants: (( ((tu canh) or (tu chanh)) doanh va ki đong luc ) or ( ta thanh tranh lam khi đong luc ))*.