Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dung trinh ung slippers" » "dung tinh ung slippers", "dong trinh ung slippers", "cong trinh ung slippers", "dung trinh dung slippers", "dung trinh duong slippers", "dung trinh nhung slippers", "dung trinh ung slippery", "dung trinh ung 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 ("dung trinh ung slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dung trinh ung slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung trinh ung slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung trinh ung slippers"))) or ("locating bug code snippets"))*.