Perhaps you should try some spelling variations:
dang xay » dang van, van xay
so sanh » do sanh
danh hu » danh hau, danh tu, danh du
sanh ty » sach ty, canh tay
qua cac » cua cac
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
ang xa » lang xa, mang xa, hoang xa
hu cua » tu 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 ((xuc va) OR (tuc va)) danh hu 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 ((xuc va) OR (tuc va)) danh hu cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ty ((ang xa) or (dang xay)) hoi. hieu qua cac ((xuc va) OR (tuc va)) danh hu cua te".
• Adding a wildcard symbol may retrieve word variants: so sanh ty ((ang xa) or (dang xay)) hoi. hieu qua cac ((xuc va) OR (tuc va)) danh hu cua te*.