Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hang dien » quang dien, dang dieu, nhan dien
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
hang di » hang doi, hang vi, hang dich
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuoc sach) or (su sach)) ky lang xa hoi. hieu ve cam xuc va ((hang di) OR (hang dien)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (su sach)) ky lang xa hoi. hieu ve cam xuc va ((hang di) OR (hang dien)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sach) or (su sach)) ky lang xa hoi. hieu ve cam xuc va ((hang di) OR (hang dien)) cua triet".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (su sach)) ky lang xa hoi. hieu ve cam xuc va ((hang di) OR (hang dien)) cua triet*.