Perhaps you should try some spelling variations:
kho tang » cao tang
cuu tre » cau tren, cau treo
va danh » va dinh, va dan, va hanh
ky tang » ky nang, ky dang, ky trong
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
danh de » hanh de, dan de, dang de
vu sai » vu hai, vu san, vu dai
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ((ky tang) OR (kho tang)) van hoa. hieu ve cam xuc va danh de ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ((ky tang) OR (kho tang)) van hoa. hieu ve cam xuc va danh de ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ((ky tang) OR (kho tang)) van hoa. hieu ve cam xuc va danh de ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: vu sai ((ky tang) OR (kho tang)) van hoa. hieu ve cam xuc va danh de ((cua tre) or (cuu tre))*.