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