Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao sang ca snippets" » "cao dang ca snippets", "cao tang ca snippets", "cao bang ca snippets", "cao sang cua snippets", "cao hang ca snippets", "cao sang ma 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: (((("cao sang 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: (((("cao sang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao sang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao sang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.