Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang ha cao snippets" » "tang ha code snippets", "lang ha cao snippets", "tang ma cao snippets", "hang hoa cao snippets", "tang nha cao snippets", "tang va cao snippets", "tang ca cao 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 ha cao 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 ha cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang ha cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang ha cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.