Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
xanh di » vanh dai, xanh tai
danh di » danh du, danh dien, danh gia
cac luc » cau luc, coc luc, cac nuoc
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
te cao » te bao
te cac » tu cac, de cac, he cac
x hoi » xa hoi, o hoi, x ho

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

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