Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so sanh hoat snippets" » "so sinh hoat snippets", "so danh hoa snippets", "so dan hoat snippets", "do sanh hoat 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: (((("so sanh hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so sanh hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so sanh hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so sanh hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.