Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hang tai » hang va, dung tai
hanh tai » thanh tai, han tai, hinh tai
vu cham » va cham, vu kham, tu cham
tuc ban » thuc ban, truc ban, tu ban
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y nang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban ((hanh tai) OR (hang tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. hieu ((vu cham) OR (cao chat)) tuc ban ((hanh tai) OR (hang tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban ((hanh tai) OR (hang tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. hieu ((vu cham) or (cao chat)) tuc ban ((hanh tai) OR (hang tai)) cua tre*.