Perhaps you should try some spelling variations:
"khanh hang a snippets" » "khach hang a snippets", "thanh hang a snippets", "khanh phong a snippets", "khanh hang va snippets", "khanh hang ca snippets", "khanh hang ha snippets", "khanh hang a slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("khanh hang a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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