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