Perhaps you should try some spelling variations:
hieu van » thien van, lieu va
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
tuc cam » tuc cham, tuc cac, xuc cam
nang vi » hang vi, nang ji, nang si
y lang » o lang, _ lang, tay lang
vi ve » va ve, gi ve, ve ve

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

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