Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap phan cau snippets" » "dap phan code snippets", "dam phan cau snippets", "dap phap cau snippets", "cap phan cau snippets", "dap phan dau snippets", "dap phan cac snippets", "dap phan 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 phan cau 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 phan cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap phan cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap phan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.