Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hanh trinh » canh tranh, hanh chinh
doanh cua » doanh luan
thu hanh » thuc hanh, thu thanh, thuy hanh
trinh ly » trinh ky, trinh do, trinh tu
cua khi » cua khoi, cu khi, cua chi
ta hanh » ta thanh, va hanh, tu hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hanh doanh cua khi đong luc ) or ( ta hanh trinh ly chi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hanh doanh cua khi đong luc ) OR ( ta hanh trinh ly chi đong luc )).
• Adding a wildcard symbol may retrieve word variants: (( thu hanh doanh cua khi đong luc ) or ( ta hanh trinh ly chi đong luc ))*.