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