Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc tang o2 snippets" » "thuc trang o2 snippets", "duc thang o2 snippets", "duc tan o2 snippets", "tuc tang o snippets", "tuc hang o2 snippets", "tuc tang loi 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: (((("tuc tang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuc tang o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc tang o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc tang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.