Perhaps you should try some spelling variations:
phan thanh » pham thanh, ban thanh, van thanh
cua triet » cua viet, su triet, va triet
xuc phan » duc phan, xuat phan, thuc phan
thanh do » thanh de, thanh pho, thanh hoa
ly quang » le quang, vu quang
su sach » so sach, vu sach
ca viet » va viet, co viet, hoa viet
hieu ve » hieu va, hieu van
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: su sach ((ly hang) or (ly quang)) xa hoi. hieu ve cam xuc phan thanh do ((cua triet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ly hang) OR (ly quang)) xa hoi. hieu ve cam xuc phan thanh do ((cua triet) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ((ly hang) or (ly quang)) xa hoi. hieu ve cam xuc phan thanh do ((cua triet) or (ca viet))*.