Perhaps you should try some spelling variations:
cau treo » cau theo, cau triet, cau trieu
van cham » van chat, van tham, va cham
cau tren » cu tren, dau tren, ca tren
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre
va hanh » van hanh, va thanh, va danh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
ha hoi » hoa hoi, ha noi, xa hoi
soc va » hoc va, loc va, doc va

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 tang ha hoi. hieu van cham soc va hanh vi ((((cuu tre) OR (cau tren))) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang ha hoi. hieu van cham soc va hanh vi ((((cuu tre) OR (cau tren))) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang ha hoi. hieu van cham soc va hanh vi ((((cuu tre) OR (cau tren))) or (cau treo))*".