Perhaps you should try some spelling variations:
sanh ky » hanh ky, nganh ky, thanh ky
sang ky » sang kyo, dang ky, tang ky
hieu va » lieu va, hieu qua
dao suc » dao duc, dao tuc, cao suc
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
va dao » ca dao
suc va » duc va, tuc va, luc va
va cua » va chua, via cua, ca 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: so ((sanh ky) OR (sang ky)) nang x hoi. hieu va dao suc va hanh va cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sanh ky) OR (sang ky)) nang x hoi. hieu va dao suc va hanh va cua te".
• Adding a wildcard symbol may retrieve word variants: so ((sanh ky) OR (sang ky)) nang x hoi. hieu va dao suc va hanh va cua te*.