Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh phap ve snippets" » "danh phap ve snippets", "anh phap ve snippets", "han phap ve snippets", "hanh phap va snippets", "hanh pha ve snippets", "hanh phan ve 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: (((("hanh phap ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh phap ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh phap ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh phap ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.