Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tinh he snippets" » "ban thanh he snippets", "quan tinh he snippets", "ban hanh he snippets", "ban trinh he snippets", "ban tinh ha snippets", "ban tich he 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: (((("ban tinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban tinh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tinh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.