Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than hoa cau snippets" » "thanh hoa cau snippets", "than thoa cau snippets", "phan hoa cau snippets", "than hoa cac snippets", "than hoa dau snippets", "than hoa mau 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: (((("than hoa cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than hoa cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than hoa cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than hoa cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.