Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"can tranh nhap slippers" » "can tranh chap slippers", "can trinh nhap slippers", "can thanh nhan slippers", "canh tranh nhap slippers", "tan tran nhap slippers", "van ranh nhap slippers", "can tranh nhap slippery", "can tranh nhap 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 ("can tranh nhap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("can tranh nhap slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can tranh nhap slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can tranh nhap slippers"))) or ("locating bug code snippets"))*.