Perhaps you should try some spelling variations:
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va
te sac » te sach, te cac, te san
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang ((x hoi) or (xa hoi)). hieu ve cam luc va danh di ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ((x hoi) OR (xa hoi)). hieu ve cam luc va danh di ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ((x hoi) or (xa hoi)). hieu ve cam luc va danh di ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ((x hoi) or (xa hoi)). hieu ve cam luc va danh di ((cua tre) OR (cuu tre))*.