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