Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao choi chu snippets" » "do choi chu snippets", "dam choi chu snippets", "dao cho chu snippets", "dao hoi chu snippets", "dao choi cho 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: (((("dao choi 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: (((("dao choi chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao choi chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao choi chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.