Perhaps you should try some spelling variations:
"phan trinh java snippets" » "thanh trinh java snippets", "phan tich java snippets", "hanh trinh java snippets"
"cong dong code snippets" » "cong dong co snippets", "cong dong che snippets", "cong dong cong snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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: (((("phan trinh java snippets") or ("cong dong code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan trinh java snippets") OR ("cong dong code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( phan trinh java snippets ) or ( cong dong code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("phan trinh java snippets") or ("cong dong code snippets"))) or ("locating bug code slippers"))*.