Perhaps you should try some spelling variations:
doanh vien » doanh tien, doanh chien, thanh vien
doanh vi » doanh va, doan vi, doanh tai
cua tre » cua te, cuu tre, cua triet
cuu san » cuu van, cua san, cuu ban
cam cuu » cham cuu, cap cuu
hieu ve » hieu va, hieu van
van hoi » van hoa, van hoc, van hoe
ky dang » ky danh
ve cam » ve cham, ve cac, va cam
tu dan » tuc dan, tu ban, cu dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ((ky nang) or (ky dang)) van hoi. hieu ve cam cuu san ((doanh vi) OR (doanh vien)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ((ky nang) OR (ky dang)) van hoi. hieu ve cam cuu san ((doanh vi) OR (doanh vien)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ((ky nang) or (ky dang)) van hoi. hieu ve cam cuu san ((doanh vi) OR (doanh vien)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu dan ((ky nang) or (ky dang)) van hoi. hieu ve cam cuu san ((doanh vi) OR (doanh vien)) cua tre*.