Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"thu thuy java snippets" » "thi thuy java snippets", "thuc thuc java snippets", "thu thuat java snippets", "thu thuy java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu thuy java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu thuy java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu thuy java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.