Perhaps you should try some spelling variations:
nang ma » tang ma, sang ma, nang cao
va tinh » may tinh
va dinh » van dinh, va kinh, vu dinh
tu can » tu ban, tu cac, thu canh
vi cua » vai cua, di cua
cua te » cua tu
can ky » van ky, dan ky, ban ky
va cao » va cac, va dao, va bao
ma hoi » mai hoi, xa hoi, ma hoa
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang ma hoi. hieu ((va cao) or (va co)) tuc ((va dinh) OR (va tinh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang ma hoi. hieu ((va cao) OR (va co)) tuc ((va dinh) OR (va tinh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang ma hoi. hieu ((va cao) or (va co)) tuc ((va dinh) OR (va tinh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang ma hoi. hieu ((va cao) or (va co)) tuc ((va dinh) OR (va tinh)) vi cua te*.