Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"bui nang hoc snippets" » "bi nang hoc snippets", "bui quang hoc snippets", "ki nang hoc snippets", "bui nang doc snippets", "bui nang luc snippets", "bui dong hoc 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 ("bui nang hoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("bui nang hoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( bui nang hoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("bui nang hoc snippets"))) or ("locating bug code snippets"))*.