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