Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"using java code snippets" » "using data code snippets", "using java code slippers"
"dong con het snippets" » "dong cong het snippets", "dong cuon het snippets", "dong co het snippets", "dong con ghet snippets", "dong hong het snippets", "dong con het slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("dong con het snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dong con het snippets"))) OR ("locating bung code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong con het snippets"))) or ("locating bung code snippets"))*.