Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
thu sach » thuat sach, thuoc sach, thu hoach
vai cuu » vai cua
anh vai » anh va, anh bai, anh van
van anh » van thanh, tuan anh, van minh
tu sach » su sach, te sach, vu sach
nang xa » nang x, lang xa, nang ma
tu cach » tu cac
cuu tre » cua tre, cau tren, cau treo
cac lo » cac lop, cac co, cac bo
lo van » le van, vo van, so van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (tu cach))) OR (thu sach)) ky nang xa hoi. hieu viec cac lo van anh vai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (tu cach))) or (thu sach)) ky nang xa hoi. hieu viec cac lo van anh vai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (tu cach))) or (thu sach)) ky nang xa hoi. hieu viec cac lo van anh vai cuu tre*.