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

Try widening your search to All Fields.

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