Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
dinh le » dinh ve, dinh ly, dinh ket
hieu va » lieu va, hieu qua
dinh de » dinh ve, dinh du, sinh de
cam tuc » cam xuc, cam tu, nam thuc
vu sai » vu hai, vu san, vu dai
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
sai ky » sac ky
cua te » cua tu

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: vu sai ky ((mang may) OR (tang van)) hoi. hieu va cam tuc va ((dinh de) OR (dinh le)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky ((mang may) or (tang van)) hoi. hieu va cam tuc va ((dinh de) OR (dinh le)) cua te~".
• Adding a wildcard symbol may retrieve word variants: vu sai ky ((mang may) or (tang van)) hoi. hieu va cam tuc va ((dinh de) OR (dinh le)) cua te*.