Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon hanh mo snippets" » "lon thanh mo snippets", "hon hanh mo snippets", "son thanh mo snippets", "lon hanh mot snippets", "lon hanh moi snippets", "lon hanh ma 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: (((("lon hanh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon hanh mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon hanh mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon hanh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.