Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao cuu du snippets" » "dao cuu code snippets", "dao huu du snippets", "dao cau du snippets", "dao chu du snippets", "dao cuc du snippets", "dao cuu de snippets", "dao cuu da 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 cuu du 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 cuu du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao cuu du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cuu du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.