Perhaps you should try some spelling variations:
khanh dinh » khanh linh, khanh vinh, hanh dinh
va khanh » van khanh, va thanh, vu khanh
sang ky » sang kyo, dang ky, tang ky
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
dinh cu » dinh cuu, dinh chuc, dinh chau
san ky » van ky, dan ky, ban ky
am hoc » ad hoc
cu tre » cu tren, cua tre, cuu tre
ve am » va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((san ky) OR (sang ky)) lang xa hoi. hieu ve am hoc va khanh dinh cu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((san ky) OR (sang ky)) lang xa hoi. hieu ve am hoc va khanh dinh cu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((san ky) OR (sang ky)) lang xa hoi. hieu ve am hoc va khanh dinh cu tre*.