Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van ban
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ((ky lang) or (ky dang)) xa hoi. hieu ve cam xuc ((van hanh) or (van anh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ((ky lang) OR (ky dang)) xa hoi. hieu ve cam xuc ((van hanh) OR (van anh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ((ky lang) or (ky dang)) xa hoi. hieu ve cam xuc ((van hanh) or (van anh)) vi cua tre*.