Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"toan tai java slippers" » "toan tap java slippers", "doanh tai java slippers", "toan ban java slippers", "toan tai va slippers", "toan tai java slippery", "toan tai 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: (((("toan tai java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan tai java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan tai java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tai java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.