Perhaps you should try some spelling variations:
dat khanh » van khanh, duy khanh
khanh vai » khanh van, hanh vi, hanh va
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
sach thi » sach thu, sach tai, sach thieu
thi hanh » thi thanh
hanh xa » hanh va, hanh ma, hanh xu
cac toc » cac toi, cac nuoc, cac thoi
cac tu » cac thu, cach tu, cac du

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 thi hanh xa hoi. lieu va ((cac tu) or (cac toc)) dat khanh vai ((cua triet) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach thi hanh xa hoi. lieu va ((cac tu) OR (cac toc)) dat khanh vai ((cua triet) OR (cua vat)).
• Adding a wildcard symbol may retrieve word variants: toc sach thi hanh xa hoi. lieu va ((cac tu) or (cac toc)) dat khanh vai ((cua triet) or (cua vat))*.