Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang theo do snippets" » "hanh theo do snippets", "tang thi do snippets", "tang theo doi snippets", "tang theo don snippets", "tang theo bo 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 theo do 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 theo do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang theo do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang theo do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.