Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan tai da snippets" » "hang tai da snippets", "van tai da snippets", "toan tai da snippets", "nhan tai ba snippets", "nhan tai va snippets", "nhan toi da 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: (((("nhan tai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan tai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan tai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan tai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.