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