Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
dang hai » dang khai, hang hai, dung hai
van dang » van dong, van dung, van nang
luc van » luoc van, luu van, duc van
cua tre » cua te, cua triet, dua tren
te sach » toc sach
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang

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: te sach ((y nang) OR (v nang)) xa hoi. hieu va chat luc van dang hai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (v nang)) xa hoi. hieu va chat luc van dang hai ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) xa hoi. hieu va chat luc van dang hai ((cua tre) OR (cuu tre))*.