Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc anh nom snippets" » "hoc nganh nom snippets", "hoc nhanh nom snippets", "hoc sinh nom snippets", "hoc anh noi snippets", "hoc anh nam snippets", "hoc hanh noi 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: (((("hoc anh nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc anh nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc anh nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc anh nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.