Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc sua det snippets" » "duoc si det snippets", "duc suc det snippets", "duoc ma det snippets", "duoc su det snippets", "duoc sua tiet 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 sua det 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 sua det snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc sua det snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc sua det snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.