Perhaps you should try some spelling variations:
dinh viet » ninh viet, danh viet, trinh viet
cau treo » cau theo, cau tren, cau triet
sach ty » sach y, sach tu, sach thu
cuu tre » cau tren
cua tre » cua te, cua triet, dua tren
te sach » toc sach
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va dinh » van dinh, va kinh, va tinh
ve cac » va cac, vien cac

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 ty nang xa hoi. hieu ve cac duc va dinh viet ((cua tre) OR (((cuu tre) OR (cau treo))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ve cac duc va dinh viet ((cua tre) or (((cuu tre) OR (cau treo))))~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ve cac duc va dinh viet ((cua tre) or (((cuu tre) OR (cau treo))))*.