Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc cua cu snippets" » "doc cua code snippets", "hoc cua cu snippets", "doi cua cu snippets", "do cua cu snippets", "doc cua chu snippets", "doc cua su snippets", "doc cua co 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 cua cu 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 cua cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc cua cu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cua cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.