Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh tu chat snippets" » "danh tu code snippets", "anh tu chat snippets", "hanh tu chat snippets", "doanh thu chat snippets", "danh tu phat snippets", "danh tu cham snippets", "danh du chat snippets"
"python using java snippets" » "python using data 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: (((("danh tu chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh tu chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh tu chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh tu chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.