Perhaps you should try some spelling variations:
chau doc » cau do, phau hoc, cau doi
hanh dai » hanh tai, hanh dao, vanh dai
chat doc » chat hoc, thuat doc, chat co
cham doc » cham soc, pham duc, cham o
te sach » toc sach
dai cuu » dai cua, dai huu
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang xa hoi. hieu ve ((((cham doc) OR (chau doc))) or (chat doc)) va hanh dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ve ((((cham doc) OR (chau doc))) OR (chat doc)) va hanh dai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ve ((((cham doc) OR (chau doc))) or (chat doc)) va hanh dai cuu tre*".