Perhaps you should try some spelling variations:
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
cac xuc » cac nuoc, chat xuc, cac cuoc
sach ky » sac ky, sach y, sach ty
cam dan » cac dan, ca dan, nam dan
cua te » cua tu
dan vi » doan vi, don vi, dan va

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 lang xa hoi. hieu ve ((cac xuc) OR (cam xuc)) cam dan vi ((cua triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. hieu ve ((cac xuc) OR (cam xuc)) cam dan vi ((cua triet) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky lang xa hoi. hieu ve ((cac xuc) OR (cam xuc)) cam dan vi ((cua triet) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. hieu ve ((cac xuc) OR (cam xuc)) cam dan vi ((cua triet) or (cua te))*.