Perhaps you should try some spelling variations:
kinh dat » dinh dat, kinh dao, chinh dat
cau phuc » cau truc, chau phu, huu phuc
tu sach » thu sach, su sach, tu cach
cua tre » cua te, cua triet, dua tren
vu kinh » va kinh, vu dinh, vu minh
cuu tre » cau tren, cau treo
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
ma hoi » mai hoi, xa hoi, ma hoa
ve cau » ke cau, va cau, ve cac

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) or (te sach)) ky nang ma hoi. hieu ve cau phuc vu kinh dat ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ma hoi. hieu ve cau phuc vu kinh dat ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang ma hoi. hieu ve cau phuc vu kinh dat ((cua tre) or (cuu tre))*.