Perhaps you should try some spelling variations:
"bac thang java slippers" » "bac thang va slippers", "bac think java slippers", "bac thanh java slippers", "bao thang java slippers", "ban hang java slippers", "bac thang java slippery", "bac thang java grippers"
"using java java snippets" » "using data java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("bac thang 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: (((("bac thang java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac thang java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac thang java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.