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