Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"truan do ben slippers" » "truan doi ben slippers", "tuan do ben slippers", "chuan do ben slippers", "truan do bien slippers", "truan do been slippers", "truan do benh slippers", "truan do ben slippery", "truan do ben 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 ("truan do ben slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("truan do ben slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( truan do ben slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("truan do ben slippers"))) or ("locating bug code snippets"))*.