Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van tuan map snippets" » "van quan map snippets", "van ban map snippets", "anh tuan map snippets", "van xuan mai snippets", "van toan may snippets", "van tan mai snippets"

Try widening your search to All Fields.

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