Perhaps you should try some spelling variations:
su triet » su tien, ve triet
van nang » van quang, van ban, van dong
van hanh » van thanh, ban hanh, van anh
tu bach » vu bach, tu bac, tu hach
xuc van » duc van, luc van, xuc ban
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu cach » tu cac
su viet » so viet
ve cam » ve cham, ve cac, va cam

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

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