Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dong cao lua slippers" » "duong cao lua slippers", "dong co lua slippers", "dong cho lua slippers", "dong cay lua slippers", "dong bao lua slippers", "dong ca lua slippers", "dong cao lua slippery", "dong cao lua grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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