Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"de thuc sinh snippets" » "de thuoc sinh snippets", "de thu sinh snippets", "de thuc kinh snippets", "den thuc sinh snippets", "do thuc sinh snippets", "ve thuc sinh snippets", "de thuc sinh 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: (((("de thuc sinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de thuc sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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