Perhaps you should try some spelling variations:
"lua tao canh snippets" » "lua tao code snippets", "lua tao anh snippets", "lua tao can snippets", "lua tao danh snippets", "lua dao canh snippets", "cua tao canh snippets", "lua gao canh 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 tao canh 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 tao canh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua tao canh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua tao canh snippets"))) or ("locating bug core snippets"))*.