Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan xuat ca snippets" » "phan xuan ca snippets", "san xuat ca snippets", "phan xay ca snippets", "phan xuat cua snippets", "phan xuat cac snippets", "phan xuat va 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 xuat ca 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 xuat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan xuat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan xuat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.