Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pang mo co snippets" » "pang mot co snippets", "bang mo co snippets", "phong mo co snippets", "pang moi co snippets", "pang mo 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: (((("pang mo co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pang mo co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pang mo co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pang mo co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.