Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua dao he snippets" » "lua dao code snippets", "luat dat he snippets", "luat dan he snippets", "luat dau he snippets", "lua tao he snippets", "lua dao ho snippets", "lua dao ve 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: (((("lua dao he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua dao he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua dao he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua dao he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.