Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tri hoc trac snippets" » "tri hoi trac snippets", "tri hoc truc snippets", "tri hoc thuc snippets", "triet hoc trac snippets", "tri thuc trac snippets", "thai hoc trac snippets"

Try widening your search to All Fields.

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