Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc bang van snippets" » "hoc bong van snippets", "hoc dan van snippets", "hoc bai van snippets", "hoc dang van snippets", "hoc tang van snippets", "hoc lang van 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 ("hoc bang van snippets"))) or ("locating bug core snippets"))~.
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