Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dong bac ham snippets" » "dong bang ham snippets", "dong luc ham snippets", "dong hoc ham snippets", "dong bac ha snippets", "dong ba ham snippets", "dong ban ham snippets"

Try widening your search to All Fields.

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