Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang ma chi snippets" » "mang may chi snippets", "tang van chi snippets", "tang a chi snippets", "tang ca chi snippets", "tang la chi 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 ma chi 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 ma chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang ma chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang ma chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.