Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cao duc » dao duc, cao suc, giao duc
xa hanh » xa thanh, xa khanh, va hanh
lua tre » cua tre, luy tre, dua tren
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
duc xa » duoc xa, tuc xa, duc va
vi lua » vi luu

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 (thu sach)) y nang xa hoi. hieu va cao duc xa hanh vi lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) y nang xa hoi. hieu va cao duc xa hanh vi lua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) y nang xa hoi. hieu va cao duc xa hanh vi lua tre*.