Perhaps you should try some spelling variations:
dang xay » dang van, van xay
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
lang xa » lang ha, lang van
qua cac » cua cac
cac luc » cau luc, coc luc, cac nuoc
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan va » doan va, dan ca, ban va
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((lang xa) or (dang xay)) hoi. hieu qua cac luc va dan va cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang xa) OR (dang xay)) hoi. hieu qua cac luc va dan va cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (dang xay)) hoi. hieu qua cac luc va dan va cua viet*.