Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cay phoi » cap phoi, tay hoi, cay cho
van hanh » van thanh, ban hanh, van anh
ky dang » ky nang
ky danh » ky anh
hanh de » hanh ve, hanh kem
xuc van » duc van, luc van, vuc van
de cua » le cua, te cua, dieu cua
tu san » thu san, tu ban, tu can
va dao » ca dao
va cao » va cac, va co, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ((ky dang) or (ky danh)) cay phoi. lieu ((va cao) OR (va dao)) xuc van hanh de cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((ky dang) OR (ky danh)) cay phoi. lieu ((va cao) OR (va dao)) xuc van hanh de cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky dang) or (ky danh)) cay phoi. lieu ((va cao) OR (va dao)) xuc van hanh de cua triet".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky dang) or (ky danh)) cay phoi. lieu ((va cao) OR (va dao)) xuc van hanh de cua triet*.