Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cua den snippets" » "dong cua code snippets", "dung cua den snippets", "cong cua den snippets", "huong cua den snippets", "dong cua dan snippets", "dong cua nen snippets", "dong cua dang 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: (((("dong cua 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: (((("dong cua den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong cua den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cua den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.