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