Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi ca cach snippets" » "doi ca code snippets", "doi cai cach snippets", "doi cac cach snippets", "doi ca cac snippets", "doi cua cach snippets", "doi cay cach snippets", "duoi ca cach snippets"
"python using java snippets" » "python using data 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 ca cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi ca cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi ca cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ca cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.