Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
dam thuc » am thuc, dan thuc, dai thuc
thanh vi » hanh vi, thanh va, thanh ve
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
nam thuc » nam thuoc, am thuc, nam thu
so sach » so sanh, bo sach, co sach
cam tuc » cam xuc, cam tu, nam truc
lang xa » lang ha, dang xay, lang van
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach _ lang xa hoi. hieu van ((((cam tuc) OR (dam thuc))) or (nam thuc)) va thanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach _ lang xa hoi. hieu van ((((cam tuc) OR (dam thuc))) OR (nam thuc)) va thanh vi va triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach _ lang xa hoi. hieu van ((((cam tuc) OR (dam thuc))) or (nam thuc)) va thanh vi va triet*".