Perhaps you should try some spelling variations:
"do lam trinh snippets" » "do lap trinh snippets", "do lam tinh snippets", "do tao trinh snippets", "dao lam trinh snippets", "so lam trinh snippets", "da lam trinh snippets", "do lam 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: (((("do lam 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: (((("do lam trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do lam trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do lam trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.