Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang thi ca snippets" » "dang thi ca snippets", "tang tai ca snippets", "hoang thi ca snippets", "tang thi cam snippets", "tang thi cua snippets", "tang thi cai 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 thi ca 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 thi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang thi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang thi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.