Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cach thuc » anh thuc, cac thu
van hanh » van thanh, ban hanh, van anh
te cach » ve cach, te sach, tu cach
hanh xa » hanh va, hanh ma, hanh xu
hieu va » lieu va, hieu qua
va hanh » va thanh, ban hanh, dao hanh
va danh » va dinh, va dan, dia danh
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cach thuc hanh xa hoi. hieu va cam tu ((((va hanh) or (van hanh))) or (va danh)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach thuc hanh xa hoi. hieu va cam tu ((((va hanh) OR (van hanh))) OR (va danh)) di cua triet.
• Adding a wildcard symbol may retrieve word variants: te cach thuc hanh xa hoi. hieu va cam tu ((((va hanh) or (van hanh))) or (va danh)) di cua triet*.