Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuc quan den snippets" » "cuc quan code snippets", "chuc quan den snippets", "luc quan den snippets", "cua quan den snippets", "cuc quan doan snippets", "cuc quan he snippets", "cuc quan doi 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: (((("cuc quan 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: (((("cuc quan den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuc quan den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc quan den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.