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