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