Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang thi do snippets" » "tang thi code snippets", "dang thi do snippets", "tang tai do snippets", "hoang thi do snippets", "tang thi dao snippets", "tang thi mo snippets", "tang thi bo 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 thi do 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 thi do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang thi do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang thi do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.