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"
"cao anh van snippets" » "cao dang van snippets", "cao tang van snippets", "cao bang van snippets", "cao anh va snippets", "cao thanh van snippets", "cao doanh van snippets"

Try widening your search to All Fields.

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