Perhaps you should try some spelling variations:
thanh de » thanh ve, thanh do, thanh le
su sach » vu sach
hanh de » hanh ve, hanh kem
cuc ban » cua ban, cac ban, cuu ban
coc cuc » coc luc, doc cuoc, cac cuoc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
so sach » so sanh, bo sach, co sach
ve coc » ve cuoc, ve cac, ve co

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky dang xa hoi. hieu ve coc cuc ban ((thanh de) OR (hanh de)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky dang xa hoi. hieu ve coc cuc ban ((thanh de) OR (hanh de)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky dang xa hoi. hieu ve coc cuc ban ((thanh de) OR (hanh de)) cua tre*.