Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
hanh lam » hanh kem, hanh va, dinh lam
tu sach » thu sach, su sach, te sach
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
ty nang » ky nang, ty hang, ly nang
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc va

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) OR (ty xang)) xa hoi. hieu ve cam luc va ((thanh lap) or (hanh lam)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty xang)) xa hoi. hieu ve cam luc va ((thanh lap) OR (hanh lam)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ty xang)) xa hoi. hieu ve cam luc va ((thanh lap) or (hanh lam)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ty xang)) xa hoi. hieu ve cam luc va ((thanh lap) or (hanh lam)) cua tre*.