Perhaps you should try some spelling variations:
"hanh java java snippets" » "hanh va java snippets"
"cuon anh trac slippers" » "cuon danh trac slippers", "cuoi anh trac slippers", "cuong danh trac slippers", "cuon sinh trac slippers", "cuon anh tuan slippers", "cuon anh thuc slippers", "cuon anh trac slippery", "cuon anh trac grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hanh java java snippets") or ("cuon anh trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("cuon anh trac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( cuon anh trac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("cuon anh trac slippers"))) or ("locating bug code snippets"))*.