Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"phan h van snippets" » "phan _ van snippets", "phan thi van snippets", "phan huy van snippets", "phan ho van snippets", "phan ha van snippets", "phan he van snippets"

Try widening your search to All Fields.

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