Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tai phan hoc snippets" » "tai thanh hoc snippets", "tai phong hoc snippets", "tai ngan hoc snippets", "tai phap hoc snippets", "tai phan hoa snippets", "tai phau hoc 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: (((("tai phan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tai phan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tai phan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tai phan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.