Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan dong a snippets" » "phan cong a snippets", "phan dang a snippets", "phan song a snippets", "phan dong ha snippets", "phan dong va snippets", "phan dong da snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan dong a snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dong a snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("phan dong a snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.