Perhaps you should try some spelling variations:
doanh dan » doanh ban, doanh van, doanh dao
dang van » hoang van, hang va
ta doanh » va doanh, te doanh, ty doanh
hieu van » hieu va, thien van, lieu va
cac toc » cac toi, cac nuoc, cac thoi
lang xa » lang ha, dang xay, lang van
dan cua » dan ca, ban cua, dai cua
van cac » van hac, van cau, van bac
te sac » te sach, te cac, te san
toc ta » toc tay, toc thai
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((lang xa) or (dang van)) hoi. hieu van cac toc ta doanh dan cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang xa) OR (dang van)) hoi. hieu van cac toc ta doanh dan cua te*.