Perhaps you should try some spelling variations:
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
hieu ve » hieu va, hieu van
danh di » danh du, danh dien, danh gia
xanh di » vanh dai, xanh tai
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, de cac, he cac
te cao » te bao
ve cac » va cac, vien 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 nuoc 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 nuoc 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 nuoc va ((danh di) or (xanh di)) cua tre*.