Perhaps you should try some spelling variations:
"doanh bat cong snippets" » "danh bat cong snippets", "doanh tai cong snippets", "doanh va cong snippets", "doanh bat dong snippets", "doanh ban cong snippets", "doanh bot cong snippets"
"hang java java snippets" » "hang va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("doanh bat cong snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doanh bat cong snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doanh bat cong snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh bat cong snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.