Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long nha co snippets" » "luong nha co snippets", "long ha co snippets", "cong nha co snippets", "long nha cao snippets", "long nhan co snippets", "long nhat co snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("long nha co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long nha co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long nha co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long nha co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.