Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"de trinh o snippets" » "de trinh code snippets", "de tinh o snippets", "de tranh o snippets", "dan trinh o snippets", "de trinh do snippets", "de trinh co snippets", "de trinh mo snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("de trinh o snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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