Perhaps you should try some spelling variations:
dua tren » dung tren
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
xa hanh » xa thanh, xa khanh, va hanh
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
da nang » cam nang, kha nang, cao nang
va nang » van nang, cam nang, kha nang
cuu tre » cua tre, cau tren, cau treo
xuc xa » tuc xa, buc xa

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 ((va nang) OR (da nang)) xa hoi. hieu va chat xuc xa hanh vi ((dua tren) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((va nang) OR (da nang)) xa hoi. hieu va chat xuc xa hanh vi ((dua tren) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((va nang) OR (da nang)) xa hoi. hieu va chat xuc xa hanh vi ((dua tren) or (cuu tre))*.