Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"can tranh tran slippers" » "can thanh tran slippers", "can tranh toan slippers", "can tranh tren slippers", "canh tranh tran slippers", "tan tran tran slippers", "van ranh tran slippers", "can tranh tran slippery", "can tranh tran 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 tran 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 tran slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can tranh tran slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can tranh tran slippers"))) or ("locating bug code snippets"))*.