Perhaps you should try some spelling variations:
dang xay » dang van, van xay
so sanh » do sanh
sanh ty » sach ty, canh tay
qua cac » cua cac
cac luc » cau luc, coc luc, cac nuoc
va danh » va dinh, va dan, va hanh
danh tu » anh tu, doanh thu
ang xa » lang xa, mang xa, hoang xa
luc va » duc va, tuc va, loc va
tu cua » hu cua, vu cua
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: so sanh ty ((ang xa) or (dang xay)) hoi. hieu qua cac luc va danh tu cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty ((ang xa) OR (dang xay)) hoi. hieu qua cac luc va danh tu cua te.
• Adding a wildcard symbol may retrieve word variants: so sanh ty ((ang xa) or (dang xay)) hoi. hieu qua cac luc va danh tu cua te*.