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