Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"huu phan trac slippers" » "huu phan tap slippers", "huu phan cac slippers", "huu phan tan slippers", "huu han trac slippers", "cuu phan trac slippers", "huu chan trac slippers", "huu phan trac slippery", "huu phan trac grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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 ("huu phan trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("huu phan trac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( huu phan trac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("huu phan trac slippers"))) or ("locating bug code snippets"))*.