Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"giao viet data snippets" » "gian viet data snippets", "giao vien data snippets", "gia viet data snippets", "giao viet dat snippets", "giao viet ta snippets", "giao lieu data snippets", "giao viet data slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("giao viet data snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giao viet data snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giao viet data snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giao viet data snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.