Perhaps you should try some spelling variations:
thieu bien » thieu nien, hien bien, hieu hien
cua triet » cua viet, su triet, va triet
hanh van » thanh van, khanh van, hanh va
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang x hoi. ((thieu bien) OR (tieu bieu)) cac xuc va ((hanh van) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. ((thieu bien) OR (tieu bieu)) cac xuc va ((hanh van) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang x hoi. ((thieu bien) OR (tieu bieu)) cac xuc va ((hanh van) or (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. ((thieu bien) OR (tieu bieu)) cac xuc va ((hanh van) or (hanh vi)) cua triet*.