Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu dia cau snippets" » "hieu gia cau snippets", "lieu dia cau snippets", "hieu qua cau snippets", "hieu da cau snippets", "hieu di cau snippets", "hieu diem cau 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: (((("hieu dia 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: (((("hieu dia cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu dia cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu dia cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.