Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"von tu thi snippets" » "van tu thi snippets", "mon tu thi snippets", "con tu thi snippets", "von su thi snippets", "von vu thi snippets", "von tu tai snippets", "von tu thi slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("von tu thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("von tu thi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von tu thi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von tu thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.