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