Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"hieu van java snippets" » "hieu va java snippets", "thien van java snippets", "lieu va java 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: (((("hieu van java snippets") or ("using data java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu van java snippets") OR ("using data java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( hieu van java snippets ) or ( using data java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu van java snippets") or ("using data java snippets"))) or ("locating bug code slippers"))*.