Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"hung hoang thu snippets" » "khung hoang thu snippets", "phuong hoang thu snippets", "quang hoang thu snippets", "hung hoang thi snippets", "hung hoang tu snippets", "hung hoang thai snippets", "hung hoang thu slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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 ("hung hoang thu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("hung hoang thu snippets"))) OR ("locating bug code snippets")).
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