Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, va danh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
san ky » sang ky, van ky, dan ky
vi cua » vai cua, di cua
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky ((nang xa) OR (nang ma)) hoi. ((hieu ve) OR (hieu van)) cam duc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ky ((nang xa) or (nang ma)) hoi. ((hieu ve) OR (hieu van)) cam duc va hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: thuat san ky ((nang xa) or (nang ma)) hoi. ((hieu ve) OR (hieu van)) cam duc va hanh vi cua te*.