Perhaps you should try some spelling variations:
"cap dan dong snippets" » "cap dan code snippets", "cap van dong snippets", "cap dan dung snippets", "cap dao dong snippets", "cac dan dong snippets", "ca dan dong snippets", "cay dan dong 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 ("cap dan dong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cap dan dong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cap dan dong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cap dan dong snippets"))) or ("locating bug core snippets"))*.