Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau trien mo snippets" » "cau tren mo snippets", "cau triet mo snippets", "cau trieu mo snippets", "cau trien moi snippets", "cau trien mot 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: (((("cau trien mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau trien mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau trien mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau trien mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.