Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang doi con snippets" » "hang doi code snippets", "hang di con snippets", "hang loi con snippets", "huong doi con snippets", "hang doi cong snippets", "hang doi co snippets", "hang moi con 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: (((("hang doi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang doi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang doi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang doi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.