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