Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi can doi snippets" » "khoi can code snippets", "khoa can doi snippets", "khoi nang doi snippets", "hoc can doi snippets", "khoi can dai snippets", "khoi cau doi snippets", "khoi cac doi 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 doi 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 doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi can doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi can doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.