Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi nhiet co snippets" » "chi nghien co snippets", "chi tiet co snippets", "chi hieu co snippets", "chi nhiet do snippets", "chi nhiet doi snippets", "chi nhiet hoc 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: (((("chi nhiet co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi nhiet co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi nhiet co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi nhiet co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.