Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
cau phuc » cau truc, chau phu, huu phuc
van hanh » ban hanh, van anh, van ban
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
y nang » ky nang, ly nang, v nang
ve cau » ke cau, va cau, ve cac
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: toc sach y nang xa hoi. hieu ve cau phuc ((van hanh) OR (van thanh)) dieu ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y nang xa hoi. hieu ve cau phuc ((van hanh) OR (van thanh)) dieu ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: toc sach y nang xa hoi. hieu ve cau phuc ((van hanh) OR (van thanh)) dieu ((cua tre) or (cua te))*.