Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"doc tam cau snippets" » "don tam cau snippets", "hoc tam cau snippets", "duc tam cau snippets", "doc tao cau snippets", "doc nam cau snippets", "doc ta cau snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("doc tam cau snippets") or ("python using java snippets"))) or ("locating bung code snippets"))~.
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