Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu tin doc snippets" » "tu tin hoc snippets", "tu tin don snippets", "tu trinh doc snippets", "thu tin doc snippets", "tu tieng doc snippets", "tru tinh doc 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: (((("tu tin doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tin doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu tin doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tin doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.