Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc minh can snippets" » "toc minh code snippets", "toc kinh can snippets", "toc xinh can snippets", "ngoc minh can snippets", "toc minh chanh snippets", "toc minh danh snippets", "toc minh tuan 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: (((("toc minh can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc minh can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc minh can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc minh can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.