Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van ban
su triet » su viet, su tien, ve triet
tu cach » tu cac
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
van anh » van thanh, tuan anh, van minh
ve cam » ve cham, ve cac, va cam
den su » dan su, nen su

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

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