Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hanh cua duc snippets" » "manh cua duc snippets", "hang cua duc snippets", "hanh sua duc snippets", "hanh cua tuc snippets", "hanh cua nuoc snippets", "hanh cua quoc snippets"

Try widening your search to All Fields.

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