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