Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu quang he snippets" » "chat quang he snippets", "vu quang he snippets", "chu quan he snippets", "chu quang le snippets", "chu quang de 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: (((("chu quang he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu quang he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu quang he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu quang he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.