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