Perhaps you should try some spelling variations:
tu sang » thu sang, tu san, tu lang
sang ky » sang kyo, dang ky, tang ky
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
ma hoi » xa hoi, ma hoa, me hoi
va cao » va cac, va co, va dao
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sang ky nang ((ma hoi) OR (mai hoi)). hieu va cao tuc va danh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sang ky nang ((ma hoi) OR (mai hoi)). hieu va cao tuc va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sang ky nang ((ma hoi) OR (mai hoi)). hieu va cao tuc va danh vi cua te*.