Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hanh di » hanh vi, hanh de, hang di
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
lv nang » ly nang
loc va » luc va
v nang » va nang, vu nang, van nang
di cua » dai cua, doi cua, de cua
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 ((v nang) or (lv nang)) x hoi. lieu va cham ((hoc va) or (loc va)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((v nang) OR (lv nang)) x hoi. lieu va cham ((hoc va) OR (loc va)) hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((v nang) or (lv nang)) x hoi. lieu va cham ((hoc va) or (loc va)) hanh di cua tre*.