Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap luat hon snippets" » "dap luat code snippets", "phap luat hon snippets", "dan luan hon snippets", "dat luan hon snippets", "dap luat hoi snippets", "dap luat hop snippets", "dap luat huong 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 luat hon 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 luat hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap luat hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap luat hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.