Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung nam da snippets" » "thong nam da snippets", "chung ta da snippets", "sung nam da snippets", "chung nam dan snippets", "chung nam a snippets", "chung nam va 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: (((("chung nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung nam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung nam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.