Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan dieu ca snippets" » "doan dieu code snippets", "nhan dieu ca snippets", "dang dieu ca snippets", "toan dien ca snippets", "doan dieu cua snippets", "doan dieu can snippets", "doan dieu cam 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: (((("doan dieu ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan dieu ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan dieu ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan dieu ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.