Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va chat » van chat, va phat, cao chat
ly nang » ky nang, ly hang, ly vang
vu nang » vuc nang, va nang, vu dang
goc va » hoc va, doc va, uoc va
loc va » hoc va, luc va
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
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: thu sach ((ly nang) or (vu nang)) x hoi. lieu va chat ((goc va) or (loc va)) hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ly nang) OR (vu nang)) x hoi. lieu va chat ((goc va) OR (loc va)) hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: thu sach ((ly nang) or (vu nang)) x hoi. lieu va chat ((goc va) or (loc va)) hanh vi cua tu*.