Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc tu tong snippets" » "thuoc tu tong snippets", "thuc te tong snippets", "thu tu tong snippets", "thuc tu tuong snippets", "thuc tu trong snippets", "thuc tu dong 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: (((("thuc tu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc tu tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc tu tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc tu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.