Perhaps you should try some spelling variations:
"van thinh sinh snippets" » "van tinh sinh snippets", "van trinh sinh snippets", "van hinh sinh snippets", "van thanh sinh snippets", "van chinh sinh snippets", "van minh sinh snippets", "van thinh sinh slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 va java snippets") or ("van thinh sinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung va java snippets") OR ("van thinh sinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung va java snippets ) or ( van thinh sinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung va java snippets") or ("van thinh sinh snippets"))) or ("locating bug code snippets"))*.