Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau dan da snippets" » "chau van da snippets", "khau dan da snippets", "chan dang da snippets", "chau dan dat snippets", "chau dan ca snippets", "chau dan va 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 dan da 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 dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.