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