Perhaps you should try some spelling variations:
"dap may trinh snippets" » "dap may tinh snippets", "dap lap trinh snippets", "dap quy trinh snippets", "dam may trinh snippets", "dat may trinh snippets", "dau may trinh snippets", "dap may trinh slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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 may trinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap may trinh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap may trinh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap may trinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.