Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien ban » viec ban, dien ban, kien ban
ban duoc » tan duoc, van duoc, ban thuoc
thanh ve » hanh ve, thanh va, thanh vien
thanh vi » hanh vi, thanh va, nhanh vi
duoc gia » duoc giao, quoc gia, duc gia
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
tu sach » thu sach, su sach, te sach
tu sac » tu cac, tu san, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) OR (tu sach)) ky nang xa hoi. hieu vien ban duoc gia ((thanh vi) or (thanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang xa hoi. hieu vien ban duoc gia ((thanh vi) OR (thanh ve)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky nang xa hoi. hieu vien ban duoc gia ((thanh vi) or (thanh ve)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky nang xa hoi. hieu vien ban duoc gia ((thanh vi) or (thanh ve)) cua tre*.