Perhaps you should try some spelling variations:
"tre thanh java slippers" » "tre thanh va slippers", "tre trinh java slippers", "tre think java slippers", "te thanh java slippers", "tra thanh java slippers", "trien thanh java slippers", "tre thanh java slippery", "tre thanh 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: (((("tre thanh 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: (((("tre thanh java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre thanh java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre thanh java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.