Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc chat hoc snippets" » "duc chat code snippets", "duoc chat hoc snippets", "doc chat hoc snippets", "du chat hoc snippets", "duc chat hoa snippets", "duc chat thom snippets", "duc cho hoc 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: (((("python using java snippets") or ("duc chat hoc snippets"))) or ("locating bug core snippets"))~.
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