Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang thi cau snippets" » "hoang thi cau snippets", "dang khoi cau snippets", "dang thi chau snippets", "dang thi cu snippets", "dang thi cam 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: (((("dang thi 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: (((("dang thi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang thi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang thi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.