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