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