Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac phan cho snippets" » "cac phan code snippets", "cac nhan cho snippets", "cao phan cho snippets", "cap phan cho snippets", "cac phan co snippets", "cac phan che snippets", "cac 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: (((("cac 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: (((("cac phan cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac phan cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac phan cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.