Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
te sach » toc sach
nang xa » nang x, lang xa, nang ma
tinh vi » trinh vi, tinh voi, tinh va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
soc va » loc va, doc va, goc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang xa hoi. hieu van chat ((soc va) or (hoc va)) tinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu van chat ((soc va) OR (hoc va)) tinh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu van chat ((soc va) or (hoc va)) tinh vi cua tre*.