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