Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"banh keo java slippers" » "hanh kem java slippers", "benh kho java slippers", "banh keo va slippers", "banh keo java slippery", "banh keo 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: (((("banh keo 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: (((("banh keo java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh keo java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh keo java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.