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