Perhaps you should try some spelling variations:
"hang java java slippers" » "hang va java slippers", "hang java java slippery", "hang java java grippers"
"dung cu trinh snippets" » "dung co trinh snippets", "dung qua trinh snippets", "dung quy trinh snippets", "dung cua trinh snippets", "dung cho trinh snippets"
"locating bug code snippets" » "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: (((("dung cu trinh snippets") or ("hang java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cu trinh snippets") OR ("hang java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cu trinh snippets ) or ( hang java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cu trinh snippets") or ("hang java java slippers"))) or ("locating bug code snippets"))*.