Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan mam cua snippets" » "phan mem cua snippets", "phan cam cua snippets", "phan may cua snippets", "phan ma cua snippets", "phan mat cua snippets", "phan nam cua 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: (((("phan mam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan mam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan mam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan mam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.