Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
vien cua » viec cua, dien cua, tien cua
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
qua cac » cua cac
tac ban » tai ban, cac ban, tay ban
tao ban » tao bac, cao bang, tao nhan
cua te » cua tu
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ky nang ((x hoi) or (xa hoi)). hieu qua cac ((tac ban) OR (tao ban)) thanh vien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ky nang ((x hoi) OR (xa hoi)). hieu qua cac ((tac ban) OR (tao ban)) thanh vien cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ky nang ((x hoi) or (xa hoi)). hieu qua cac ((tac ban) OR (tao ban)) thanh vien cua te".
• Adding a wildcard symbol may retrieve word variants: so sanh ky nang ((x hoi) or (xa hoi)). hieu qua cac ((tac ban) OR (tao ban)) thanh vien cua te*.