Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"de tang thep slippers" » "de tang theo slippers", "de bang thep slippers", "de tang thiet slippers", "le tang thep slippers", "de dang thep slippers", "do tang thep slippers", "de tang thep slippery", "de tang thep grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung java java snippets") or ("de tang thep slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("de tang thep slippers"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("de tang thep slippers"))) or ("locating bug code snippets"))*.