Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tinh de snippets" » "ban thanh de snippets", "quan tinh de snippets", "ban hanh de snippets", "ban tinh da snippets", "ban sinh de snippets", "ban tinh 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 de 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 de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tinh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tinh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.