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