Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao don ca snippets" » "hao dan ca snippets", "hao mon ca snippets", "lao dong ca snippets", "hao don va snippets", "hao don ha 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: (((("hao don ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao don ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao don ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao don ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.