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