Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi loi cung snippets" » "doi cuoi cung snippets", "doi hoi chung snippets", "doi loi song snippets", "doi voi cung snippets", "doi moi cung snippets", "boi loi cung 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 loi cung 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 loi cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi loi cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi loi cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.