Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon chu do snippets" » "cho chu do snippets", "choi chu do snippets", "chon chung do snippets", "chon cau do snippets", "chon khu do snippets", "chon chu de 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: (((("chon chu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon chu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon chu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon chu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.