Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc han cho snippets" » "doc han code snippets", "doc hanh cho snippets", "doc phan cho snippets", "doc than cho snippets", "doc hang cho snippets", "doc han che snippets", "doc san cho snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doc han 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: (((("doc han cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc han cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc han cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.