Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
hieu vien » hieu hien, hieu viec, lieu vien
doanh van » doan van, doanh va, doanh ban
bach hoa » bach khoa, bach ha, cach hoan
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hoa van » hoa dan, hoang van, hoa phan
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet

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 ty nang xa hoi. hieu vien bach hoa van doanh van cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu vien bach hoa van doanh van cua tre*.