Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vat hanh » vat thanh, van hanh, va hanh
hanh le » thanh le, hanh ve, hanh de
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
le cua » ly cua

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. hieu ((ve cam) or (ve cac)) thuc vat hanh le cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang x ho. hieu ((ve cam) OR (ve cac)) thuc vat hanh le cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x ho. hieu ((ve cam) or (ve cac)) thuc vat hanh le cua triet*.