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