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