Perhaps you should try some spelling variations:
"lua cay hong snippets" » "lua cay code snippets", "lua cay cong snippets", "lua cay hung snippets", "lua cay trong snippets", "cua cay hong snippets", "lua cau hong snippets", "qua cay hong snippets"
"locating bug core snippets" » "locating bug code 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 ("lua cay hong 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 cay hong snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua cay hong snippets"))) or ("locating bug core snippets"))*.