Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long tich he snippets" » "long tinh he snippets", "long lich he snippets", "luong dich he snippets", "long tich ho snippets", "long trinh he snippets", "long tich hop 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: (((("long tich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long tich he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long tich he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long tich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.