Perhaps you should try some spelling variations:
xuc tuan » duc thuan, quoc tuan, xuan tuan
tu sach » thu sach, su sach, te sach
dau xuc » dau xac, dau xua, dau nuoc
cua tre » cua te, cua triet, dua tren
anh vai » anh va, anh bai, anh van
cuu tre » cau tren, cau treo
hieu va » lieu va, hieu qua
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
va dau » va dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) or (v nang)) xa hoi. hieu va dau xuc tuan anh vai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) xa hoi. hieu va dau xuc tuan anh vai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (v nang)) xa hoi. hieu va dau xuc tuan anh vai ((cua tre) or (cuu tre))*.