Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang van lo snippets" » "dang van lo snippets", "tang van lo snippets", "hoang van lo snippets", "lang van loi snippets", "lang van loc snippets", "lang van lao 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: (((("lang van lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang van lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang van lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang van lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.