Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"va thong lua snippets" » "va thong luan snippets", "va thong cua snippets", "va thong qua snippets", "va thuong lua snippets", "va phuong lua snippets", "he thong lua snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("va thong lua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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