Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang van boa snippets" » "dang van boa snippets", "hoang van boa snippets", "trong van boa snippets", "tang van hoa snippets", "tang van bon snippets", "tang san boa 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 van boa 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 van boa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang van boa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang van boa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.