Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham can toc snippets" » "pham can code snippets", "pham van toc snippets", "pham lan toc snippets", "pham ca toc snippets", "pham dan toc snippets", "pham cac toc snippets", "pham cao toc snippets"
"python using java snippets" » "python using data 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: (((("pham can toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham can toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham can toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham can toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.