Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nang xa » nang x, lang xa, nang ma
va chat » van chat, va phat, cao chat
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
goc va » hoc va, loc va, uoc va
doc va » duoc va, hoc va, duc va
luc va » duc va, tuc va, loc va
de cua » le cua, te cua, dieu cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang xa hoi. lieu va chat ((((goc va) or (doc va))) or (luc va)) hanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. lieu va chat ((((goc va) OR (doc va))) OR (luc va)) hanh de cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. lieu va chat ((((goc va) or (doc va))) or (luc va)) hanh de cua tre*.