Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
doanh ban » doanh bat, doanh van, doanh nhan
va doanh » van doanh, vay doanh, va danh
bach cao » bac cao, bach cau, bach mao
tu sach » thu sach, te sach, vu sach
ban cua » ban quan
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
tu cach » tu cac
cua tre » cua te, cuu tre, cua triet
cao va » cao van, tao va, co va

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) or (tu cach))) or (su sach)) ky nang xa hoi. hieu vien bach cao va doanh ban cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (tu cach))) OR (su sach)) ky nang xa hoi. hieu vien bach cao va doanh ban cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (tu cach))) or (su sach)) ky nang xa hoi. hieu vien bach cao va doanh ban cua tre*.