Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat phan ve snippets" » "sat nhan ve snippets", "vat phan ve snippets", "xuat phan ve snippets", "sat phan le snippets", "sat phan va snippets", "sat pha ve 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: (((("sat phan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sat phan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat phan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat phan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.