Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
cau luoc » cau luc, muu luoc, hau loc
ban hanh » ban hang
luoc ban » luoc can, quoc ban, buoc ban
va chau » va chat, va cau, va cham
hanh va » hang va, hanh vi
tu sach » thu sach, su sach, te sach
hieu va » hieu qua
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 ((ky nang) or (ty xang)) x hoi. ((hieu va) or (lieu va)) cau luoc ban hanh va chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky nang) OR (ty xang)) x hoi. ((hieu va) OR (lieu va)) cau luoc ban hanh va chau tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky nang) or (ty xang)) x hoi. ((hieu va) or (lieu va)) cau luoc ban hanh va chau tre*.