Perhaps you should try some spelling variations:
hieu va » lieu va, hieu qua
va giao » van giao, va giai, va gia
duc may » duc mau, duc man, duc manh
tinh vi » trinh vi, tinh voi, tinh va
cu dan » cua dan, ca dan, cuoi dan
co dan » co ban, ca dan, cao dang
vi cua » vai cua, di cua
cua te » cua tu
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: ((cu dan) OR (co dan)) ky nang x hoi. hieu va giao duc may tinh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((cu dan) OR (co dan)) ky nang x hoi. hieu va giao duc may tinh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((cu dan) OR (co dan)) ky nang x hoi. hieu va giao duc may tinh vi cua te*.