Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac dao can snippets" » "toc dao can snippets", "tac da can snippets", "tac bao can snippets", "tac dao van snippets", "tac dao dan snippets", "tac dao cac 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: (((("tac dao 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: (((("tac dao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac dao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac dao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.