Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao tac can snippets" » "cao tai can snippets", "cao toc can snippets", "cac tac can snippets", "cao tac van snippets", "cao tac quan snippets", "cao tac vang 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: (((("cao tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.