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