Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co duoc moi snippets" » "co duoc code snippets", "co duoc hoi snippets", "co duoc noi snippets", "co duoc tuoi snippets", "tao duoc moi snippets", "hoa duoc moi snippets", "hoc duoc moi 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: (((("co duoc moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co duoc moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co duoc moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co duoc moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.