Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua hoi hoc snippets" » "luat hoi hoc snippets", "cua hoi hoc snippets", "lua doi hoc snippets", "lua hoa hoc snippets", "lua khoa hoc snippets", "lua hoi chuc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lua hoi hoc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua hoi hoc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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