Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc ho le snippets" » "duoc hoc le snippets", "duoc hoi le snippets", "duoc co le snippets", "duoc hon le snippets", "duoc hao le snippets", "duoc do le 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 ho le 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 ho le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc ho le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc ho le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.