Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"hoc cu cua snippets" » "hoc cua cua snippets", "hoc cau cua snippets", "hoc chu cua snippets", "hoc ca cua snippets", "hoc co cua snippets"

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: (((("hoc cu cua snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc cu cua snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc cu cua snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.