Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi anh thuc snippets" » "phi am thuc snippets", "phi dan thuc snippets", "phi anh tu snippets", "thi anh thuc snippets", "chi anh thuc snippets", "phi khanh thuc snippets"

Try widening your search to All Fields.

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