Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho can hoi snippets" » "cho cac hoi snippets", "cho phan hoi snippets", "cho cong hoi snippets", "cho cau hoi snippets", "cho can ho snippets", "cho dan hoi 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 can hoi 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 can hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho can hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho can hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.