Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap ma cua snippets" » "cap ma cua snippets", "dap va cua snippets", "dap ca cua snippets", "dap manh cua snippets", "dap mang cua 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: (((("dap ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap ma cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap ma cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.