Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu than vo snippets" » "chu thanh vo snippets", "chu han vo snippets", "chu chan vo snippets", "chu than va snippets", "chu than doc snippets", "chu than hoc 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 than vo 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 than vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu than vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.