Perhaps you should try some spelling variations:
thuat dan » thuat san, thuat ban, thuat dam
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van ban
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac lop » cac hop, cac loai
van anh » van thanh, tuan anh, van minh
vai cua » dai cua, hai cua, lai cua
dan ky » van ky
cac lo » cac co, cac bo, cac ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat dan ky nang xa hoi. hieu va ((cac lo) OR (cac lop)) ((van hanh) OR (van anh)) vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat dan ky nang xa hoi. hieu va ((cac lo) or (cac lop)) ((van hanh) OR (van anh)) vai cua triet~".
• Adding a wildcard symbol may retrieve word variants: thuat dan ky nang xa hoi. hieu va ((cac lo) or (cac lop)) ((van hanh) OR (van anh)) vai cua triet*.