Perhaps you should try some spelling variations:
thanh ve » thanh va, thanh vien, thanh van
hoc sach » hoc sinh, hoc cac, hoc anh
hieu va » lieu va, hieu qua
bao luc » bao thuc
luc bac » luc bat, luc khac
nang xa » nang x, lang xa, nang ma
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cuu tre, cua triet, dua tren
va bao » va bai
y nang » ky nang, ly nang, v nang
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: hoc sach y nang xa hoi. hieu va bao luc bac ((thanh ve) OR (hanh ve)) ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y nang xa hoi. hieu va bao luc bac ((thanh ve) OR (hanh ve)) ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach y nang xa hoi. hieu va bao luc bac ((thanh ve) OR (hanh ve)) ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang xa hoi. hieu va bao luc bac ((thanh ve) OR (hanh ve)) ((cua tre) or (cua te))*.