Perhaps you should try some spelling variations:
dinh tri » chinh tri
nang ma » tang ma, sang ma, nang cao
cam duc » cam xuc, cao duc, pham duc
duc ban » duc tan, duc van, dua ban
danh va » doanh va, hanh va, anh va
dinh vi » dinh ve, dinh viet, dinh thi
su viet » so viet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ma hoi. lieu va cam duc ban ((danh va) or (((dinh vi) or (dinh tri)))) su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. lieu va cam duc ban ((danh va) OR (((dinh vi) OR (dinh tri)))) su viet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. lieu va cam duc ban ((danh va) or (((dinh vi) or (dinh tri)))) su viet*.