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