Perhaps you should try some spelling variations:
phien hanh » hien hanh, thien thanh, thien chanh
bien phien » bien nien, bien mien, bien kien
hanh nuoc » hanh duoc, hanh thuoc, khanh quoc
dinh tri » chinh tri
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
dinh vi » dinh ve, dinh viet, dinh thi
cua tuc » cua duc, cua tu, cua thuoc

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. bien phien hanh nuoc va ((dinh vi) OR (dinh tri)) cua tuc~.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. bien phien hanh nuoc va ((dinh vi) or (dinh tri)) cua tuc*.