Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co tai hoe snippets" » "co tai code snippets", "co tai he snippets", "co tai khoa snippets", "co thai hoc snippets", "cao tai hoe snippets", "co thai hoe snippets", "bo tai hoe 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 tai hoe 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 tai hoe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co tai hoe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co tai hoe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.