Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
ly quang » le quang, vu quang
hanh vai » hanh vi, hanh va, hanh tai
thi van » thi lan, thi hanh, thi nang
nam qua » nam quan, nam cua, nam mua
qua van » quan van, qua ban, qua san
vai cua » dai cua, hai cua, lai cua
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ly quang) or (ly hang)) xa hoi. ((thien van) OR (thi van)) nam qua van hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly quang) OR (ly hang)) xa hoi. ((thien van) OR (thi van)) nam qua van hanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly quang) or (ly hang)) xa hoi. ((thien van) OR (thi van)) nam qua van hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly quang) or (ly hang)) xa hoi. ((thien van) OR (thi van)) nam qua van hanh vai cua triet*.