Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trong benh heo snippets" » "trong binh heo snippets", "trong kinh heo snippets", "trong sinh heo snippets", "trong benh theo snippets", "trong benh he snippets", "trong benh hoc snippets"
"locating bug core snippets" » "locating bug 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 ("trong benh heo snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trong benh heo snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trong benh heo snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trong benh heo snippets"))) or ("locating bug core snippets"))*.