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