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"
"han viet java snippets" » "han viet va snippets", "san viet java snippets", "van viet java snippets", "dan viet 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: (((("han viet 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: (((("han viet java snippets") OR ("using data java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( han viet java snippets ) or ( using data java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("han viet java snippets") or ("using data java snippets"))) or ("locating bug code slippers"))*.