Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day doanh co snippets" » "vay doanh co snippets", "dao doanh co snippets", "day danh co snippets", "day doanh cua snippets", "day doanh va snippets", "day anh co 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: (((("day doanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day doanh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day doanh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day doanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.