Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh van chi snippets" » "sinh vat chi snippets", "dinh van chi snippets", "sinh va chi snippets", "sinh van chien snippets", "sinh luan chi snippets", "sinh van chat 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 van chi 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 van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.