Perhaps you should try some spelling variations:
"trinh trong xu slippers" » "trinh truong xu slippers", "tranh trong xu slippers", "trinh trung xu slippers", "trinh trong su slippers", "trinh trong thu slippers", "trinh trong xay slippers", "trinh trong xu slippery", "trinh trong xu grippers"
"using java code snippets" » "using data code snippets", "using java core snippets"
"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 ("trinh trong xu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh trong xu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh trong xu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh trong xu slippers"))) or ("locating bug code snippets"))*.