Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
xanh di » vanh dai, xanh tai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
danh di » danh du, danh dien, danh gia
cao duc » dao duc, cao suc, giao duc
vu sac » vu sach, vu san, vu cac
va sac » va cac, va suc, va san
va cao » va cac, va co, va dao

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

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