Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so sinh che snippets" » "so dinh che snippets", "so chinh che snippets", "so dinh chi snippets", "so sanh che snippets", "so tinh che snippets", "cho sinh che 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: (((("so sinh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so sinh che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so sinh che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so sinh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.