Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thpt ho van snippets" » "thpt hon van snippets", "thpt nho van snippets", "thpt khoa van snippets", "thpt hoc van snippets", "thpt vo van snippets", "thpt so van snippets", "thpt ho van 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: (((("thpt ho van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thpt ho van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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