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