Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap huy toan snippets" » "tap huy tran snippets", "tap huu toan snippets", "tap huy hoang snippets", "tap huan toan snippets", "tap thuc toan 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: (((("tap huy toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap huy toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap huy toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap huy toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.