Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
ban thanh » ban hanh, ban hang
chau tho » chat thom, cau thi, phu tho
chau tre » chay tren, cho tre, cau tra
cuc ban » cua ban, cac ban, cuu ban
tu sach » thu sach, su sach, te sach
van dau » van dao, phan dau
van cau » van hau, van chat, toan cau
y nang » ky nang, ly nang, v nang
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 y nang x hoi. hieu ((van cau) or (van dau)) cuc ban thanh lap ((chau tre) OR (chau tho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. hieu ((van cau) OR (van dau)) cuc ban thanh lap ((chau tre) OR (chau tho)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang x hoi. hieu ((van cau) or (van dau)) cuc ban thanh lap ((chau tre) OR (chau tho))".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu ((van cau) or (van dau)) cuc ban thanh lap ((chau tre) OR (chau tho))*.