Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh san java snippets" » "trinh han java snippets", "trinh van java snippets", "trinh quan java snippets", "trinh san 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: (((("trinh san 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: (((("trinh san java snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh san java snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh san java snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.