Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"hoang tu java slippers" » "hoang thu java slippers", "hoang vu java slippers", "hoang tuan java slippers", "hoang ngu java slippers", "hoang tu java slippery", "hoang tu 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: (((("hoang tu 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: (((("hoang tu java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang tu java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang tu java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.