Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
toc sach » hoc sach, doc sach, thuoc sach
sach tai » sach bai, sach tham, sach dao
hanh vai » hanh vi, hanh va, hanh tai
su triet » su viet, su tien, ve triet
tai hanh » tai thanh, tai nhanh, thi hanh
cac tuc » cac toc, cac tu, cac tac
xa hanh » xa thanh, xa khanh, va hanh
hanh xa » hanh va, hanh ma, hanh xu
cac toi » cac thoi

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 tai hanh xa hoi. lieu va ((cac tuc) or (cac toi)) xa hanh vai ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tai hanh xa hoi. lieu va ((cac tuc) OR (cac toi)) xa hanh vai ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach tai hanh xa hoi. lieu va ((cac tuc) or (cac toi)) xa hanh vai ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: toc sach tai hanh xa hoi. lieu va ((cac tuc) or (cac toi)) xa hanh vai ((cua triet) OR (su triet))*.