Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trong tran van snippets" » "trong trang van snippets", "trong tranh van snippets", "trong tan van snippets", "trong luan van 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: (((("trong tran van snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong tran van snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trong tran van snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tran van snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.