Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua dam tang snippets" » "lua nam thang snippets", "lua cao tang snippets", "lua ha tang snippets", "cua dam tang snippets", "lua dao tang snippets", "dua dam tang snippets"

Try widening your search to All Fields.

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