Perhaps you should try some spelling variations:
"trong tranh java slippers" » "trong thanh java slippers", "trong trang java slippers", "trong nganh java slippers", "trong trinh java slippers", "trong tranh va slippers", "trong tranh java slippery", "trong tranh java grippers"
"dung lua code snippets" » "dung luan code snippets", "dung luat code snippets", "dung cua code snippets", "dung lbm code snippets"
"locating bug code snippets" » "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: (((("dung lua code snippets") or ("trong tranh java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lua code snippets") OR ("trong tranh java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lua code snippets ) or ( trong tranh java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lua code snippets") or ("trong tranh java slippers"))) or ("locating bug code snippets"))*.