Perhaps you should try some spelling variations:
dang xay » dang van, van xay
hieu va » lieu va, hieu qua
lang xa » lang ha, lang van
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
tu sac » tu sach, tu cac, tu san
va cau » van cau, va cac, va dau
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: tu sac ky ((lang xa) or (dang xay)) hoi. hieu va cau ((xuc va) or (tuc xa)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (dang xay)) hoi. hieu va cau ((xuc va) OR (tuc xa)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) or (dang xay)) hoi. hieu va cau ((xuc va) or (tuc xa)) hanh vi cua te*.