Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"locating bug core snippets" » "locating bug code snippets"
"dap tap tin snippets" » "dap tan tin snippets", "lap tap tin snippets", "dap phap tin snippets", "dap tap tinh snippets", "dap tap tieng snippets", "dap tap toan 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 tap tin snippets") or ("python using code snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap tap tin snippets") OR ("python using code snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap tap tin snippets ) or ( python using code snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap tap tin snippets") or ("python using code snippets"))) or ("locating bug core snippets"))*.