Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap do canh snippets" » "dap doi canh snippets", "dap do sanh snippets", "dap do danh snippets", "cap do canh snippets", "dao do canh snippets", "dap so canh 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 do canh 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 do canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap do canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap do canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.