Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi cac cau snippets" » "duoc cac cau snippets", "cuoi cac cau snippets", "duoi ca cau snippets", "duoi cac mau snippets", "duoi bac 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: (((("duoi cac 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: (((("duoi cac cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi cac cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi cac cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.