Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc bui son snippets" » "toc bi son snippets", "ngoc bui son snippets", "toc bui hong snippets", "toc bui cong snippets", "toc vui song 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: (((("toc bui son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc bui son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc bui son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc bui son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.