Perhaps you should try some spelling variations:
danh vai » danh sai, doanh van, dang van
cuu tre » cua tre, cau tren, cau treo
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
danh va » doanh va, hanh va, anh va
tu sac » tu sach, tu cac, tu san
cac tu » cac thu, cach tu, cac du
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky lang) OR (ky dang)) xa hoi. hieu ve cac tu va ((danh vai) OR (danh va)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky lang) OR (ky dang)) xa hoi. hieu ve cac tu va ((danh vai) or (danh va)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky lang) OR (ky dang)) xa hoi. hieu ve cac tu va ((danh vai) or (danh va)) cuu tre*.