Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong dot den snippets" » "cong dot code snippets", "cong mot den snippets", "cong dong den snippets", "cong doan den snippets", "cong don den snippets", "cong tot den snippets", "cong dot bien 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: (((("cong dot 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: (((("cong dot den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong dot den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dot den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.