Perhaps you should try some spelling variations:
hanh khanh » nhanh thanh, thanh thanh, khanh thanh
cua triet » cua viet, su triet, va triet
khanh ve » hanh ve, thanh ve, khanh v
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
ve cua » le cua, de cua, te cua
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ((x ho) or (o hoi)). hieu ((ve cam) or (ve cac)) thuc hanh khanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ((x ho) OR (o hoi)). hieu ((ve cam) OR (ve cac)) thuc hanh khanh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ((x ho) or (o hoi)). hieu ((ve cam) or (ve cac)) thuc hanh khanh ve cua triet*.