Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap tan cong snippets" » "dap tan code snippets", "dap tan cuong snippets", "dap tran cong snippets", "dap toan cong snippets", "dac tan cong snippets", "dai tan cong snippets", "tap toan cong snippets"
"python using java snippets" » "python using data 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 tan cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap tan cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap tan cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap tan cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.