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