Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gan hang cho snippets" » "ngan hang cho snippets", "ban hang cho snippets", "van hang cho snippets", "gan sang cho snippets", "gan han cho snippets", "gan tang cho 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: (((("gan hang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gan hang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gan hang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gan hang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.