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