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