Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap phap toc snippets" » "dap phap code snippets", "danh phap toc snippets", "ban phap toc snippets", "va phap toc snippets", "dap phap hoc snippets", "dap phap coc snippets", "dap phap doc 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 phap toc 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 phap toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap phap toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap phap toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.