Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"trung luc va snippets" » "trung quoc va snippets", "trung thuc va snippets", "trung hoc va snippets", "trung duc va snippets", "trung tuc va snippets", "trung loc va snippets"

Try widening your search to All Fields.

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