Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu vu con snippets" » "phuc vu con snippets", "phu nu con snippets", "khu vu con snippets", "phu vu cong snippets", "phu va con snippets", "phu vu son 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: (((("phu vu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu vu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu vu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu vu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.