Perhaps you should try some spelling variations:
danh dien » dinh dien, danh kien, danh lien
hieu viec » nhieu viec, hieu ve, sieu viet
cua triet » cua viet, su triet, va triet
thuoc va » thuc va, thuoc ma, thuong va
dien cua » dieu cua, dien cuc, dien cu
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
viec va » vien va, viec cua, viec lam
duoc va » nuoc va, duc va, duoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang xa hoi. hieu viec va ((thuoc va) or (duoc va)) danh dien cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. hieu viec va ((thuoc va) OR (duoc va)) danh dien cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu viec va ((thuoc va) or (duoc va)) danh dien cua triet*.