Perhaps you should try some spelling variations:
"bat cau long snippets" » "bat cau code snippets", "bat cuu long snippets", "bat cau cong snippets", "bat cau dong snippets", "bat dau long snippets", "dat cau long snippets", "bat can long 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 ("bat cau long snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("bat cau long snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( bat cau long snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("bat cau long snippets"))) or ("locating bug core snippets"))*.