Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"than hoc thi snippets" » "toan hoc thi snippets", "thai hoc thi snippets", "than doc thi snippets", "than hoc thai snippets", "than hoc tai snippets", "than hoc chi 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 ("than hoc thi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("than hoc thi snippets"))) OR ("locating bug core snippets")).
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