Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat dan dong snippets" » "mat van dong snippets", "mat dan dung snippets", "mat dao dong snippets", "hat dan dong snippets", "luat dan dong snippets", "mat bang 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: (((("mat dan dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat dan dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat dan dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat dan dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.