Perhaps you should try some spelling variations:
so sanh » do sanh
danh du » danh dau, danh tu, dinh du
sanh ty » sach ty, canh tay
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
xang xa » mang xa, ang xa, dang xay
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
du cua » duy cua, dau cua, dum 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 ((xang xa) or (lang xa)) hoi. hieu va cac ((xuc va) OR (luc va)) danh du cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty ((xang xa) OR (lang xa)) hoi. hieu va cac ((xuc va) OR (luc va)) danh du cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ty ((xang xa) or (lang xa)) hoi. hieu va cac ((xuc va) OR (luc va)) danh du cua te".
• Adding a wildcard symbol may retrieve word variants: so sanh ty ((xang xa) or (lang xa)) hoi. hieu va cac ((xuc va) OR (luc va)) danh du cua te*.