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