Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu dang toc snippets" » "huu dung toc snippets", "huu bang toc snippets", "huu dong toc snippets", "huu dan toc snippets", "huu dang thuoc snippets", "huu dang quoc 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: (((("huu dang toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu dang toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu dang toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu dang toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.