Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mang cao hon snippets" » "mang cao code snippets", "nang cao hon snippets", "lang cao hon snippets", "mang cho hon snippets", "mang cao son snippets", "mang cao hoc snippets", "mang ca hon 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: (((("mang cao hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mang cao hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mang cao hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mang cao hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.