Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong qua da snippets" » "cong cua da snippets", "song qua da snippets", "cong quy da snippets", "cong qua ca snippets", "cong qua di snippets", "cong qua 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: (((("cong qua 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: (((("cong qua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong qua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong qua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.