Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buoi sang do snippets" » "buoi dang do snippets", "buoi tang do snippets", "buoi sang tao snippets", "bui sang do snippets", "boi sang do snippets", "tuoi sang do 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: (((("buoi sang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buoi sang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoi sang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoi sang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.