Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc ngu du snippets" » "chuc nu du snippets", "chuc nguoi du snippets", "tuc ngu du snippets", "chuc ngu cu snippets", "chuc ngu tu snippets", "chuc ngu dung 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: (((("chuc ngu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc ngu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc ngu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc ngu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.