Perhaps you should try some spelling variations:
dinh tai » dinh toai, dinh thi, hinh tai
dinh tri » chinh tri
cac viet » cach viet, bac viet, ca viet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
san ky » sang ky, van ky, ban ky
dan ky » van ky
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((san ky) or (dan ky)) nang xa hoi. hieu ve cam xuc va ((dinh tai) or (dinh tri)) cac viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (dan ky)) nang xa hoi. hieu ve cam xuc va ((dinh tai) OR (dinh tri)) cac viet.
• Adding a wildcard symbol may retrieve word variants: tu ((san ky) or (dan ky)) nang xa hoi. hieu ve cam xuc va ((dinh tai) or (dinh tri)) cac viet*.