Perhaps you should try some spelling variations:
"van chinh java slippers" » "van chinh va slippers", "van trinh java slippers", "van think java slippers", "va chinh java slippers", "van thinh java slippers", "hanh chinh java slippers", "van chinh java slippery", "van chinh 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"

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: (((("van chinh 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: (((("van chinh java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van chinh java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van chinh java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.