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