Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc su cho snippets" » "duoc sua cho snippets", "duoc si cho snippets", "luoc su cho snippets", "duoc su choi snippets", "duoc su co snippets", "duoc cu cho 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: (((("duoc su cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc su cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc su cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc su cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.