Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau hoc can snippets" » "phau hoc can snippets", "chat hoc can snippets", "cau hoc can snippets", "chau hoc dan snippets", "chau hoc cao snippets", "chau hoc 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: (((("chau hoc can 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 hoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau hoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau hoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.