Perhaps you should try some spelling variations:
ve triet » va trien, su triet
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
hieu va » lieu va
cam tuc » cam xuc, cam tu, nam thuc
tuc va » thuc va, truc va, tuc xa
va anh » van anh, va danh, va hanh
anh de » hanh de, anh d, anh ve

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

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