Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh dau cay snippets" » "lanh dao cay snippets", "hang dau cay snippets", "xang dau cay snippets", "danh dau xay snippets", "danh dau ngay 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 dau cay 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 dau cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh dau cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh dau cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.