Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh tu chi snippets" » "danh tu code snippets", "anh tu chi snippets", "hanh tu chi snippets", "doanh thu chi snippets", "danh thu chi snippets", "danh tu chiu snippets", "danh tu choi 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 chi 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 chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh tu chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh tu chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.