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