Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu va ton snippets" » "phuc va ton snippets", "phu la ton snippets", "phu da ton snippets", "phu va toan snippets", "phu va tong snippets", "phu va tin 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 va ton 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 va ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu va ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu va ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.