Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
doanh vi » doanh va, doan vi, doanh vien
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
cua tre » cuu tre, cua triet, dua tren
xuc ban » duc ban, cuc ban, quoc ban
lam xuc » cam xuc, lam duoc
nang co » nang cao, nang doc, nang noi
ty nang » ky nang, ty xang, ty hang
va lam » van lam, va lap
co hoi » co hoc, co loi
cua tu » cua tuc, cua su, cua cu

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 co hoi. lieu va lam xuc ban doanh vi ((((cua tre) or (cua te))) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang co hoi. lieu va lam xuc ban doanh vi ((((cua tre) OR (cua te))) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang co hoi. lieu va lam xuc ban doanh vi ((((cua tre) or (cua te))) or (cua tu))*.