Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cay hong snippets" » "doi cay cong snippets", "doi cay hung snippets", "doi cay trong snippets", "doi ca hong snippets", "doi day hong snippets", "voi cay hong 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 cay hong 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 cay hong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cay hong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cay hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.