Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi su du snippets" » "chi tu du snippets", "chi xu du snippets", "khi su du snippets", "chi so du snippets", "chi su tu snippets", "chi su cu 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 su du 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 su du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi su du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi su du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.