Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap cung cua snippets" » "dap cung code snippets", "dap ung cua snippets", "dap nhung cua snippets", "lap chung cua snippets", "dap chung cua snippets", "dap dung cua snippets", "dap cong cua 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 cung cua 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 cung cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap cung cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap cung cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.