Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"truoc nam java slippers" » "truoc dam java slippers", "truong nam java slippers", "trung nam java slippers", "truoc nam va slippers", "truoc ngu java slippers", "truoc nam java slippery", "truoc nam 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: (((("truoc nam 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: (((("truoc nam java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truoc nam java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truoc nam java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.