Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soan van cau snippets" » "san van cau snippets", "doan van cau snippets", "toan van cau snippets", "soan van dau snippets", "soan van hau snippets", "soan van chat 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: (((("soan van 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: (((("soan van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soan van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soan van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.