Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
minh hai » minh khai, tinh hai, manh hai
chat doc » chat hoc, chau doc, thuat doc
cham doc » cham soc, chau doc, pham duc
hieu tuc » hieu thuc, hieu luc, hieu thuoc
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
te sach » toc sach
va minh » van minh, vua minh, va kinh
hai cua » thai cua, dai cua, hoi cua
tu sach » thu sach, su sach, tu cach

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 tang xa hoi. hieu tuc ((cham doc) OR (chat doc)) va minh hai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky tang xa hoi. hieu tuc ((cham doc) OR (chat doc)) va minh hai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky tang xa hoi. hieu tuc ((cham doc) OR (chat doc)) va minh hai cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky tang xa hoi. hieu tuc ((cham doc) OR (chat doc)) va minh hai cua viet*.