Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung hai rap snippets" » "dung tai rap snippets", "dung ha rap snippets", "dung sai rap snippets", "dung hai tap snippets", "dung hai thap snippets", "dung hai trac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung hai rap 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 hai rap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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