Perhaps you should try some spelling variations:
"lua qua cham snippets" » "lua qua code snippets", "lua qua hai snippets", "lua qua cac snippets", "lua va cham snippets", "lua cua cham snippets", "luat quan cham snippets", "qua quan cham 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 qua cham 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 qua cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua qua cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua qua cham snippets"))) or ("locating bug core snippets"))*.