Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hanh ky » hanh kem
hanh ke » hanh kem, thanh ke, hanh ve
xuc van » duc van, luc van, vuc van
te sach » toc sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
va cam » va cham, va cac, va cao

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 (su sach)) ky nang xa hoi. hieu va cam xuc van ((hanh ke) OR (hanh ky)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) ky nang xa hoi. hieu va cam xuc van ((hanh ke) OR (hanh ky)) cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (su sach)) ky nang xa hoi. hieu va cam xuc van ((hanh ke) OR (hanh ky)) cau treo*".