Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan van soc snippets" » "luan van soc snippets", "lang van soc snippets", "tan van soc snippets", "lan van hoc snippets", "lan van son snippets", "lan van loc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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