Perhaps you should try some spelling variations:
viec bach » vien bach, viec ban, viec bao
hieu viec » nhieu viec, hieu ve, sieu viet
ban thanh » ban hanh, ban hang
bach xuc » bach tuoc, bach xuan, bach hue
va thanh » gia thanh, va tinh, le thanh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky dang xa hoi. hieu viec bach xuc ((va thanh) or (ban thanh)) va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. hieu viec bach xuc ((va thanh) OR (ban thanh)) va cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xa hoi. hieu viec bach xuc ((va thanh) or (ban thanh)) va cua tre*.