Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, tu cach
lang ha » long ha
va hanh » van hanh, va thanh, va danh
cao xuc » cam xuc, cao duc, cao suc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
te sach » toc sach
va cao » va cac, va co, va dao
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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 xa) or (lang ha)) hoi. hieu va cao xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky ((nang xa) OR (lang ha)) hoi. hieu va cao xuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky ((nang xa) or (lang ha)) hoi. hieu va cao xuc va hanh vi cua tre*.