Perhaps you should try some spelling variations:
"dang do cung snippets" » "dang do code snippets", "nang doc cung snippets", "dung doi cung snippets", "dang duc cung snippets", "dang do cong snippets", "dang do ung snippets", "dang do dung snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("dang do cung snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dang do cung snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dang do cung snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dang do cung snippets"))) or ("locating bug core snippets"))*.