Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"python using java snippets" » "python using data snippets"
"hoc so danh snippets" » "hoc do danh snippets", "hoc so sanh snippets", "hoc so dan snippets", "hoc co danh snippets", "hoc su danh snippets", "hoc bo danh snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc so danh snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc so danh snippets") OR ("python using java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( hoc so danh snippets ) or ( python using java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc so danh snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))*.