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