Perhaps you should try some spelling variations:
"lua cai cach snippets" » "lua cai code snippets", "lua loi cach snippets", "lua tai cac snippets", "lua va cach snippets", "qua cai cach snippets", "lua cau cach snippets", "lua lai cach snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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 ("lua cai cach snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua cai cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua cai cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua cai cach snippets"))) or ("locating bug core snippets"))*.