Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
cham cuu » cap cuu, chat cua
doanh vi » doanh va, doan vi, doanh vien
cua tre » cua te, cuu tre, cua triet
cam cuu » cap cuu
hieu ve » hieu va, hieu van
van hoc » van hoa
ky lang » ky dang, ky tang, tay lang
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky lang) or (ky nang)) van hoc. hieu ve ((cam cuu) or (cham cuu)) ban doanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky lang) OR (ky nang)) van hoc. hieu ve ((cam cuu) OR (cham cuu)) ban doanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky lang) or (ky nang)) van hoc. hieu ve ((cam cuu) or (cham cuu)) ban doanh vi cua tre*.