Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can cong che snippets" » "cac cong che snippets", "cao cong che snippets", "van cong che snippets", "can cong cho snippets", "can cong chi snippets", "can cong chu 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: (((("can cong 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: (((("can cong che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can cong che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can cong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.