Perhaps you should try some spelling variations:
chuc ban » chuc van, cuc ban, thuc ban
chuc can » chuc van, thuc can, chuc nang
te sach » toc sach
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
anh ve » anh va, anh viet, thanh ve
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 va pham ((chuc ban) OR (chuc can)) ((anh ve) or (hanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu va pham ((chuc ban) OR (chuc can)) ((anh ve) OR (hanh ve)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu va pham ((chuc ban) OR (chuc can)) ((anh ve) or (hanh ve)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu va pham ((chuc ban) OR (chuc can)) ((anh ve) or (hanh ve)) cua tre*.