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"
"van lan dung snippets" » "van van dung snippets", "van dan dung snippets", "van lan hung snippets", "van lang dung snippets", "van luan dung snippets", "van ban dung snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("van lan dung snippets") or ("python using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van lan dung snippets") OR ("python using java snippets"))) OR ("locating bug code slippers")).
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