Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tong hoi cho snippets" » "tong hoi code snippets", "thong hoi cho snippets", "tong khoi cho snippets", "trong hoi cho snippets", "tong hoi chu snippets", "tong hoi co snippets", "tong hoc 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: (((("tong hoi 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: (((("tong hoi cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tong hoi cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong hoi cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.