Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho cao hon snippets" » "pho cap hon snippets", "cho cao hon snippets", "pho cam hon snippets", "pho cao son snippets", "pho cao hoc snippets", "pho ca hon 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 cao hon 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 cao hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho cao hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho cao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.