Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang van hon snippets" » "tang van code snippets", "dang van hon snippets", "hoang van hon snippets", "trong van hon snippets", "tang van hoan snippets", "tang van hong snippets", "tang van hoa 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 van hon 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 van hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang van hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang van hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.