Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"hieu cua java snippets" » "hieu qua java snippets", "dieu cua java snippets", "bieu cua java snippets", "hieu cua java slippers"

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: (((("hieu cua java snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu cua java snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hieu cua java snippets ) or ( using data java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu cua java snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))*.