Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao lam hung snippets" » "dao lam nhung snippets", "dao cam hung snippets", "dao lan hung snippets", "da lam hung snippets", "dao nam hung snippets", "dat lam hung snippets"

Try widening your search to All Fields.

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