Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"che duoc cuc snippets" » "che duoc code snippets", "che thuoc cuc snippets", "che do cuc snippets", "te duoc cuc snippets", "che duoc cuoc snippets", "che duoc cac snippets", "che duoc muc 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: (((("che duoc cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che duoc cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( che duoc cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che duoc cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.