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