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