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