Perhaps you should try some spelling variations:
"lan tranh java snippets" » "lan trinh java snippets", "lan tranh va snippets", "lanh tranh java snippets", "luan tranh java snippets", "can tranh java snippets", "lan tranh java slippers"
"cong bang code snippets" » "cuong bang code snippets", "dong bang code snippets", "hong bang code snippets", "cong bang cong snippets", "cong bang che snippets", "cong bang cot snippets", "cong bang code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("lan tranh java snippets") or ("cong bang code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan tranh java snippets") OR ("cong bang code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan tranh java snippets ) or ( cong bang code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan tranh java snippets") or ("cong bang code snippets"))) or ("locating bug code snippets"))*.