Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su cach » su sach, tu cach, su cac
cach tu » cach thuc
tu nang » tru nang, tu nong, tu nano
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho
vi va » vai va, vu va, bi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach tu nang x hoi. hieu ve cam xuc ((va hanh) or (van thanh)) ((vi va) OR (vi van)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach tu nang x hoi. hieu ve cam xuc ((va hanh) OR (van thanh)) ((vi va) OR (vi van)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach tu nang x hoi. hieu ve cam xuc ((va hanh) or (van thanh)) ((vi va) OR (vi van)) triet".
• Adding a wildcard symbol may retrieve word variants: su cach tu nang x hoi. hieu ve cam xuc ((va hanh) or (van thanh)) ((vi va) OR (vi van)) triet*.