Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
doanh vi » doanh va, doan vi, doanh vien
tu sach » thu sach, te sach, tu cach
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
ty nang » ky nang, ty xang, ty hang
lam xuc » cam xuc, lam duoc
va lam » van lam, va lap
nang o » nang co, nang ho, nang ro
cua tu » cua tuc, cua su, cua cu
o hoi » co hoi, o hoc, o hai

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 (su sach)) ty nang o hoi. lieu va lam xuc van doanh vi ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ty nang o hoi. lieu va lam xuc van doanh vi ((cua tre) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ty nang o hoi. lieu va lam xuc van doanh vi ((cua tre) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ty nang o hoi. lieu va lam xuc van doanh vi ((cua tre) or (cua tu))*.