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