Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
thu sach » thuat sach, thuoc sach, thu hoach
vu chat » va chat, ve chat, du chat
hanh va » hang va, hanh vi
hanh de » hanh ve, hanh kem
tu sach » su sach, te sach, tu cach
hieu vu » hieu va, hieu ve, hieu su
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

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 (thu sach)) ky nang x hoi. hieu vu chat luc va ((hanh de) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu vu chat luc va ((hanh de) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang x hoi. hieu vu chat luc va ((hanh de) or (hanh va)) cua tre*.