Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuc chat vo snippets" » "khuc hat vo snippets", "hoc chat vo snippets", "hut chat vo snippets", "khuc chat va snippets", "khuc chat co snippets", "khuc chat bo 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: (((("khuc chat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuc chat vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuc chat vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuc chat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.