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