Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
lam xuc » cam xuc, lam duoc
hieu va » lieu va, hieu qua
lang ha » long ha
lang xa » dang xay, lang van
san ky » sang ky, van ky, dan ky
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua
tu san » thu san, tu ban, tu can

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((lang xa) OR (lang ha)) hoi. hieu va lam xuc va thanh ((di cua) OR (de cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky ((lang xa) or (lang ha)) hoi. hieu va lam xuc va thanh ((di cua) OR (de cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: tu san ky ((lang xa) or (lang ha)) hoi. hieu va lam xuc va thanh ((di cua) OR (de cua)) tre*.