Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat bao son snippets" » "chat ban son snippets", "thuat bao son snippets", "nhat ban son snippets", "chat bao ton snippets", "chat cao son snippets", "chat bac son 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: (((("chat bao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat bao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat bao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat bao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.