Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac san trac snippets" » "cac sinh trac snippets", "cac phan trac snippets", "cac sat trach snippets", "cac dan trac snippets", "cac van trac snippets", "cac ban trac snippets"

Try widening your search to All Fields.

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