Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do tri hoc snippets" » "do tri code snippets", "do triet hoc snippets", "do tri thuc snippets", "do thai hoc snippets", "do thi hoc snippets", "bo tri hoc snippets", "do tai hoc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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