Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"trinh ke java slippers" » "trinh ky java slippers", "trinh he java slippers", "trinh ve java slippers", "trinh ke java slippery", "trinh ke 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: (((("trinh ke 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: (((("trinh ke java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ke java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ke java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.