Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ngoc lan phi snippets" » "ngoc tuan phi snippets", "nuoc luan phi snippets", "ngoc anh phi snippets", "ngoc lang phi snippets", "ngoc lang phu snippets", "ngoc linh phi 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: (((("ngoc lan phi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc lan phi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ngoc lan phi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc lan phi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.