Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh cua con snippets" » "manh cua con snippets", "dinh cuu con snippets", "sinh va con snippets", "sinh cua cong snippets", "sinh cua co snippets", "sinh cua can 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: (((("sinh cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh cua con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh cua con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.