Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tang dan » tang van, tung dan, tang luan
vai cua » dai cua, hai cua, lai cua
vuc van » duc van, luc van, thuc van
xuc van » duc van, luc van, xuc ban
vu chat » va chat, ve chat, du chat
sach ky » sac ky, sach ty, sach kem
hieu vu » hieu va, hieu ve, hieu su
dan hoc » van hoc, dan toc, dai hoc
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: tu ((sach ky) OR (sach y)) tang dan hoc. hieu vu chat ((xuc van) OR (vuc van)) hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) tang dan hoc. hieu vu chat ((xuc van) OR (vuc van)) hanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) tang dan hoc. hieu vu chat ((xuc van) OR (vuc van)) hanh vai cua te*.