Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi can voi snippets" » "khoi can code snippets", "khoa can voi snippets", "khoi nang voi snippets", "hoc can voi snippets", "khoi ban voi snippets", "khoi can moi snippets", "khoi cap voi 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: (((("khoi can voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi can voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi can voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi can voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.