Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tri hoi hoc snippets" » "tri hoc hoc snippets", "tri doi hoc snippets", "tri moi hoc snippets", "tri hoa hoc snippets", "tri khoa hoc snippets", "tri hoi chuc 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 ("tri hoi hoc snippets"))) or ("locating bugs code snippets"))~.
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