Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho phap so snippets" » "khong phap so snippets", "theo phap so snippets", "khoa phau so snippets", "kho phap mo snippets", "kho phap hoc 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: (((("kho phap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho phap so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho phap so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho phap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.