Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"trinh vat java slippers" » "trinh van java slippers", "trinh luat java slippers", "sinh vat java slippers", "trinh vat va slippers", "trinh vat java slippery", "trinh vat 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: (((("trinh vat 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: (((("trinh vat java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh vat java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh vat java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.