Perhaps you should try some spelling variations:
thanh loi » thanh hoa, thanh hai
thanh lap » thanh san, phan lap, thanh hai
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va
va cam » va cham, va cac, va cao

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 ty nang xa hoi. hieu va cam luc va ((((thanh loi) or (thanh lap))) or (hanh kem)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu va cam luc va ((((thanh loi) OR (thanh lap))) OR (hanh kem)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu va cam luc va ((((thanh loi) or (thanh lap))) or (hanh kem)) cua tre*.