Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va
cam tuc » cam xuc, cam tu, nam thuc
tuc van » thuc van, truc van, tuc va
cua tuc » cua duc, cua thuoc, luat tuc
y lang » o lang, _ lang, tay lang
cua tu » cua su, cua cu, cua te

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

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