Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoi dan du snippets" » "choi dan du snippets", "nguoi dan du snippets", "hoi dan du snippets", "cuoi dan dau snippets", "cuoi danh du snippets", "cuoi dan su 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: (((("cuoi dan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoi dan du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoi dan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoi dan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.