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