Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"tran hong java snippets" » "tran hoang java snippets", "tran hung java snippets", "tran trong java snippets", "tran hong va snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

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: (((("tran hong java snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hong java snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tran hong java snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran hong java snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.