Perhaps you should try some spelling variations:
chat truc » cau truc, chat xuc
hieu cao » chieu cao, hieu cac, hieu ca
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va danh » va dinh, dia danh, va thanh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
va dan » ca dan, va dao, va dau

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 ky nang xa hoi. hieu cao chat truc ((((va danh) OR (va dan))) or (va hanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu cao chat truc ((((va danh) OR (va dan))) OR (va hanh)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu cao chat truc ((((va danh) OR (va dan))) or (va hanh)) dai cua tre*".