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