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