Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong le cao snippets" » "cong le code snippets", "cuong le cao snippets", "cong li cao snippets", "hong le cao snippets", "cong le cap snippets", "cong le cau snippets", "cong le co snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("cong le cao snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong le cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong le cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong le cao snippets"))) or ("locating bug core snippets"))*.