Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"lua duc hung snippets" » "lua quoc hung snippets", "cua duc hung snippets", "luu duc hung snippets", "luat duoc hung 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: (((("lua duc hung snippets") or ("python using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua duc hung snippets") OR ("python using java snippets"))) OR ("locating bug code slippers")).
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• Adding a wildcard symbol may retrieve word variants: (((("lua duc hung snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.