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