Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bach da snippets" » "thi bich da snippets", "thi hanh da snippets", "thi anh da snippets", "thi bach dan snippets", "thi bach ha snippets", "thi bach dang 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: (((("thi bach 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: (((("thi bach da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bach da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bach da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.