Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va cham » va chat
va tham » van tham, va thanh, va thuat
hoc vat » hoc va, hoc viet, thuc vat
vat anh » van anh, sat anh, dat anh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
anh vi » hanh vi, anh va, anh ve
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang xa hoi. lieu ((va cham) OR (va tham)) hoc vat anh vi ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. lieu ((va cham) OR (va tham)) hoc vat anh vi ((cuu tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. lieu ((va cham) OR (va tham)) hoc vat anh vi ((cuu tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. lieu ((va cham) OR (va tham)) hoc vat anh vi ((cuu tre) or (cua te))*.