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