Perhaps you should try some spelling variations:
van chat » cao chat
te sach » toc sach
sach ky » sac ky, sach y, sach ty
van cau » van dau, van hau, toan cau
luc van » luoc van, luu van, duc van
hanh de » hanh ve
cua tre » cua te, cuu tre, cua triet
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: te sach ky nang x hoi. hieu ((van cau) OR (van chat)) luc van ((hanh de) or (hanh kem)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu ((van cau) OR (van chat)) luc van ((hanh de) OR (hanh kem)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu ((van cau) OR (van chat)) luc van ((hanh de) or (hanh kem)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu ((van cau) OR (van chat)) luc van ((hanh de) or (hanh kem)) cua tre*.