Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
van hanh » van thanh, ban hanh, van anh
hanh doi » thanh doi, hanh noi, hang doi
ve cham » va cham, ve chat, vu cham
xuc van » duc van, luc van, xuc ban
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ve cam » ve cac, va cam, ve cai
y nang » ky nang, ly nang, v nang

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