Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong mo de snippets" » "cuong ma de snippets", "cuong vo de snippets", "cuong do de snippets", "cuong bo de snippets", "cuong mo te 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: (((("cuong mo de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong mo de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong mo de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong mo de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.