Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"been van cau snippets" » "ben vat cau snippets", "bien va cau snippets", "nen van cau snippets", "been van dau snippets", "been van hau snippets", "been van chat 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: (((("been van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("been van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( been van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("been van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.