Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang son voi snippets" » "trang son voi snippets", "lang son voi snippets", "bang son voi snippets", "tang so voi snippets", "tang som voi snippets", "tang dong voi 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 son voi 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 son voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang son voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang son voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.