Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc hang van snippets" » "hoc hanh van snippets", "hoc bang van snippets", "hoc han van snippets", "hoc hoang van snippets", "hoc hang va snippets", "hoc dang van snippets"

Try widening your search to All Fields.

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