Perhaps you should try some spelling variations:
"using java code slippers" » "using data code slippers"
"duc toan lua snippets" » "duc tan lua snippets", "duc ton lua snippets", "duc hoan lua snippets", "duc toan luan snippets", "duc toan luat snippets", "duc toan cua snippets"
"locating bug code 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 slippers") or ("duc toan lua snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("duc toan lua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( duc toan lua snippets ))) or ( locating bug code snippets )).
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