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