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