Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cau chap snippets" » "doi cau code snippets", "doi cau cham snippets", "doi cau chan snippets", "doi cau phap snippets", "doi dau chap snippets", "di cau chap snippets", "doi ca chap 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 cau chap 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 cau chap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi cau chap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cau chap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.