Perhaps you should try some spelling variations:
luong dien » luong duyen, luong tin
thien van » thi van
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
dien su » dien tu, nien su, den su
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky

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

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