Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hieu van » hieu va, thien van, lieu va
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
nam tuc » nam thuc, nam truc, nam tu
lang xa » lang ha, dang xay, lang van
sac ky » sai ky
ve ve » de ve, va ve, ke ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sac ky) or (cac ky)) lang xa hoi. hieu van nam tuc ((va hanh) OR (va danh)) ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (cac ky)) lang xa hoi. hieu van nam tuc ((va hanh) OR (va danh)) ve ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sac ky) or (cac ky)) lang xa hoi. hieu van nam tuc ((va hanh) OR (va danh)) ve ve triet".
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (cac ky)) lang xa hoi. hieu van nam tuc ((va hanh) OR (va danh)) ve ve triet*.