Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"det chua cau snippets" » "det cua cau snippets", "me chua cau snippets", "nem chua cau snippets", "det chua cu snippets", "det chua dau 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: (((("det chua 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: (((("det chua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( det chua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("det chua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.