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