Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac mat co snippets" » "bao mat co snippets", "bach mai co snippets", "bac nhat co snippets", "bac vat co snippets", "bac mot co 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: (((("bac mat 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: (((("bac mat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac mat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac mat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.