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