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