Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang mo cho snippets" » "tang ma cho snippets", "tang o cho snippets", "tang co cho snippets", "tang mo chon snippets", "tang moi cho snippets", "tang mo ho 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: (((("tang mo 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: (((("tang mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.