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