Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong danh trac snippets" » "cuon danh trac snippets", "huong dan trac snippets", "cuong linh trac snippets", "cuong anh trac snippets", "cuong dang tran snippets", "cuong danh thuc snippets"
"hanh java java snippets" » "hanh va java 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: (((("hanh java java snippets") or ("cuong danh trac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("cuong danh trac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( cuong danh trac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("cuong danh trac snippets"))) or ("locating bug core snippets"))*.