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