Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung tri ngo snippets" » "dung tai ngo snippets", "dung tren ngo snippets", "nhung tri ngo snippets", "dung tri ngon snippets", "dung tri nho snippets", "dung thi ngo snippets"

Try widening your search to All Fields.

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