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