Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day hoa chi snippets" » "day hoc chi snippets", "dai hoa chi snippets", "danh hoa chi snippets", "day hoa phi snippets", "day hoa cho snippets", "day hoa hi 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 hoa chi 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 hoa chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day hoa chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day hoa chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.