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