Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan dan hon snippets" » "phan dau hon snippets", "gian dan hon snippets", "nhan tai hon snippets", "nhan dan hoc snippets", "nhan dan hoi snippets", "nhan dan mon 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 dan hon 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 dan hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan dan hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan dan hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.