Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dac tinh doi snippets" » "dac tinh code snippets", "may tinh doi snippets", "va tinh doi snippets", "ha tinh doi snippets", "dac trinh doc snippets", "dac trinh do snippets", "dac tinh 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 ("dac tinh doi snippets"))) or ("locating bug core snippets"))~.
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