Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang cua phe snippets" » "tang cua code snippets", "mang cua phe snippets", "hang cua phe snippets", "tang luan phe snippets", "tang ca phe snippets", "tang cua che snippets", "tang cua he 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: (((("tang cua phe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang cua phe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang cua phe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang cua phe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.