Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc dao ca snippets" » "doc dao code snippets", "toc dao ca snippets", "duc dao ca snippets", "hoc dao ca snippets", "doc dao cac snippets", "doc dao cao snippets", "doc dao cau 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: (((("doc dao ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc dao ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc dao ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc dao ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.