Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap nhung do snippets" » "dap nhung code snippets", "vap nhung do snippets", "va nhung do snippets", "dap ung do snippets", "dap nhung don snippets", "dap nhung doi snippets", "dap nhung bo 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 nhung do 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 nhung do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dap nhung do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap nhung do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.