Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
va hanh » van hanh, va thanh, va danh
vu cham » vu kham, tu cham, qua cham
te sach » toc sach
va cham » va chat, va tham
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
loc va » hoc va, luc va
vi cau » va cau, ve cau, di cau

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