Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang mao can snippets" » "tang ma can snippets", "tang lao can snippets", "tang giao can snippets", "tang mao van snippets", "tang mao con snippets", "tang mat can 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: (((("tang mao 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: (((("tang mao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang mao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.