Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tieu diem » tieu dien, lieu dien, tieu bieu
toc sach » hoc sach, doc sach, thuoc sach
diem cam » diem cau, dieu cam, diem ca
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hanh va » hang va, hanh vi
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky lang xa hoi. tieu diem cam ((xuc va) or (tuc va)) hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky lang xa hoi. tieu diem cam ((xuc va) OR (tuc va)) hanh va cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach ky lang xa hoi. tieu diem cam ((xuc va) or (tuc va)) hanh va cua triet*.