Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con tang loi snippets" » "cong tang loi snippets", "son tang loi snippets", "con bang loi snippets", "con thang loi snippets", "con hang loi snippets", "con thanh loi 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: (((("con tang 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: (((("con tang loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con tang loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con tang loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.