Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gan lang cao snippets" » "gian lang cao snippets", "ban lang cao snippets", "gan bang cao snippets", "gan nang cao snippets", "gan lang co snippets", "gan quang cao 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 lang cao 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 lang cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gan lang cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gan lang cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.