Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi sinh ton snippets" » "hoi sinh ton snippets", "noi sinh ton snippets", "doi dinh ton snippets", "doi sinh trong snippets", "doi tinh toan snippets", "doi hinh toan 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: (((("doi sinh 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: (((("doi sinh ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi sinh ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi sinh ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.