Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot nhan che snippets" » "mot nha che snippets", "mon nhan che snippets", "mot phan che snippets", "mot han che snippets", "mot nhan nghe 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: (((("mot nhan 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: (((("mot nhan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot nhan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot nhan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.