Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong le con snippets" » "vuong le con snippets", "cuong ve con snippets", "duong le con snippets", "cuong le cong snippets", "cuong len con snippets", "cuong le co 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 le con 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 le con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong le con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong le con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.