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