Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau treo
te sach » toc sach
cac xuc » cam xuc, cac nuoc, cac cuoc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma

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 xa hoi. hieu ve ((cac xuc) or (chat xuc)) van hanh vi ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ve ((cac xuc) OR (chat xuc)) van hanh vi ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ve ((cac xuc) or (chat xuc)) van hanh vi ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ve ((cac xuc) or (chat xuc)) van hanh vi ((cuu tre) OR (cau tren))*.