Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cam len cong snippets" » "cam den cong snippets", "cam le cong snippets", "cam len con snippets", "can len cong snippets", "dam len cong snippets", "cam bien cong 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: (((("cam len cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cam len cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cam len cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cam len cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.