Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cu chat cua snippets" » "cu chat code snippets", "cu nhat cua snippets", "cu chat va snippets", "cu chat huu snippets", "cuu chat cua snippets", "cu cat cua snippets", "du chat cua 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: (((("cu chat cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu chat cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu chat cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu chat cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.