Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"chien huu java slippers" » "thien hue java slippers", "nhiem huu java slippers", "vien huu java slippers", "chien ngu java slippers", "chien huu va slippers", "chien huu java slippery", "chien huu 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: (((("chien huu 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: (((("chien huu java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chien huu java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chien huu java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.