Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
cau treo » cau theo, cau tren, cau triet
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, ve chim
vu cham » va cham, vu kham, tu cham
san cau » van cau, ban cau, can cau
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » tuc va, luc va, xac va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach y nang ma hoi. hieu ((ve cham) or (vu cham)) ((xuc va) OR (duc va)) thanh san cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y nang ma hoi. hieu ((ve cham) OR (vu cham)) ((xuc va) OR (duc va)) thanh san cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach y nang ma hoi. hieu ((ve cham) or (vu cham)) ((xuc va) OR (duc va)) thanh san cau treo".
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang ma hoi. hieu ((ve cham) or (vu cham)) ((xuc va) OR (duc va)) thanh san cau treo*.