Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao thai da snippets" » "dao thi da snippets", "do thai da snippets", "da thai da snippets", "dao thai dac snippets", "dao thai do snippets", "dao thai va 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: (((("dao thai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao thai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao thai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao thai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.