Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cham hoi snippets" » "hoi cham hoi snippets", "goi cham hoi snippets", "toc cham hoi snippets", "doi cham voi snippets", "doi cham h'roi snippets", "doi pham hoai 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 cham hoi 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 cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.