Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac xuat can snippets" » "xac xuat can snippets", "cac luat can snippets", "cac thuat can snippets", "cac xuat canh snippets", "cac xuan can snippets", "cac xuat ban 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: (((("cac xuat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac xuat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac xuat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac xuat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.