Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"va think java snippets" » "va trinh java snippets", "van thinh java snippets", "va tinh java snippets", "va thiet java snippets"
"dung cac cong snippets" » "luong cac cong snippets", "dung cho cong snippets", "dung tai cong snippets", "dung cua cong 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: (((("dung cac cong snippets") or ("va think java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac cong snippets") OR ("va think java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung cac cong snippets ) or ( va think java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac cong snippets") or ("va think java snippets"))) or ("locating bugs code snippets"))*.