Perhaps you should try some spelling variations:
tu cach » tu cac
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
dao tuc » dao duc
xa hanh » xa thanh, xa khanh, va hanh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va dao » ca dao
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 cach) or (tu sach)) y nang xa hoi. hieu va dao tuc xa hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (tu sach)) y nang xa hoi. hieu va dao tuc xa hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (tu sach)) y nang xa hoi. hieu va dao tuc xa hanh vi cua tre*.