Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"using java code snippets" » "using data code snippets"
"dap toan trac snippets" » "dap toan tran snippets", "dap thoan tran snippets", "dap toan tap snippets", "tap toan trac snippets", "dan toan trac snippets", "dap tan trac 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: (((("using java code snippets") or ("dap toan trac snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dap toan trac snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dap toan trac snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dap toan trac snippets"))) or ("locating bugs code slippers"))*.