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