Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngan danh le snippets" » "ngan hang le snippets", "ngan sach le snippets", "nhan dan le snippets", "ngan dinh le snippets", "ngan manh le snippets", "ngan anh le 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: (((("ngan danh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngan danh le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngan danh le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngan danh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.