Perhaps you should try some spelling variations:
thuoc sach » nuoc sach, thuat sach, thuoc sinh
hoc sach » hoc sinh, hoc cac, hoc anh
viet cua » viec cua, viet ca, viet qua
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
van anh » van thanh, van minh
ve cac » va cac, vien cac
cac lo » cac lop, cac co, cac bo
cua te » cua tu
tuan » quan, tran, luan

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: ((thuoc sach) OR (hoc sach)) ty nang xa hoi. hieu ve cac lo ((van anh) OR (tuan anh)) viet cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sach) or (hoc sach)) ty nang xa hoi. hieu ve cac lo ((van anh) OR (tuan anh)) viet cua te~".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (hoc sach)) ty nang xa hoi. hieu ve cac lo ((van anh) OR (tuan anh)) viet cua te*.