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