Perhaps you should try some spelling variations:
hieu cao » chieu cao, hieu cac, hieu ca
chat xuc » chat huu, cam xuc, chao xu
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cao hoi » cau hoi, cao hoc, tao hoi
va phan » van phan, va phap, hoa phan
lap cua » lai cua, tap cua, lam cua
cua tre » cua te, cuu tre, cua triet
co hoi » co hoc, co loi

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 ((cao hoi) or (co hoi)). hieu cao chat xuc ((va phan) OR (va phat)) lap cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((cao hoi) OR (co hoi)). hieu cao chat xuc ((va phan) OR (va phat)) lap cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((cao hoi) or (co hoi)). hieu cao chat xuc ((va phan) OR (va phat)) lap cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((cao hoi) or (co hoi)). hieu cao chat xuc ((va phan) OR (va phat)) lap cua tre*.