Perhaps you should try some spelling variations:
tang dan » tang van, tung dan, tang luan
hanh vai » hanh vi, hanh va, hanh tai
luoc van » luoc can, luoc va, luot van
ky tang » ky nang, ky dang, kho tang
dan hoc » van hoc, dan toc, dai hoc
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
vai cua » dai cua, hai cua, lai cua
luc van » luu van, luc va, vuc van
duc van » duc va, duc tan, duc manh
tu sai » tu bai, tu san, tu cai
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: tu sai ky tang dan hoc. hieu va chat ((((luc van) OR (luoc van))) OR (duc van)) hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky tang dan hoc. hieu va chat ((((luc van) OR (luoc van))) or (duc van)) hanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky tang dan hoc. hieu va chat ((((luc van) OR (luoc van))) or (duc van)) hanh vai cua te*.