Perhaps you should try some spelling variations:
can thuc » dan thuc, van thuc, cay thuc
van hang » van khang, van hoang, van thang
te sach » toc sach
so sanh » do sanh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hang di » hang doi, hang vi, hang dien
cuu tre » cua tre, cau tren, cau treo
di cuu » di cau, di cua, dinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (so sanh)) ky nang xa hoi. hieu ve ((can thuc) or (am thuc)) van hang di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (so sanh)) ky nang xa hoi. hieu ve ((can thuc) OR (am thuc)) van hang di cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (so sanh)) ky nang xa hoi. hieu ve ((can thuc) or (am thuc)) van hang di cuu tre*.