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