Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho con loi snippets" » "cho cong loi snippets", "cho lon loi snippets", "cho can loi snippets", "cho co loi snippets", "cho con coi snippets", "cho con lai 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 con loi 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 con loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho con loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho con loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.