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

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban tri hoc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
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