Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"linh nga java slippers" » "bich nga java slippers", "linh ngu java slippers", "linh nga va slippers", "linh nga java slippery", "linh nga 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: (((("linh nga java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("linh nga java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( linh nga java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("linh nga java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.