Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang hai le snippets" » "hang hai le snippets", "tang tai le snippets", "tang ha le snippets", "tang hai ly snippets", "tang hoi le 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 hai le 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 hai le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang hai le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang hai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.