Perhaps you should try some spelling variations:
ban hanh » ban hang
cuu tre » cua tre, cau tren, cau treo
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
van hoi » van hoa, van hoc, van hoe
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
ve cam » ve cham, ve cac, va cam
de cuu » de cua
vu dai » vi dai, va dai, vu hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu dai ((ky tang) or (ky dang)) van hoi. hieu ve cam xuc ((va danh) or (ban hanh)) de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dai ((ky tang) OR (ky dang)) van hoi. hieu ve cam xuc ((va danh) OR (ban hanh)) de cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu dai ((ky tang) or (ky dang)) van hoi. hieu ve cam xuc ((va danh) or (ban hanh)) de cuu tre*.