Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian van do snippets" » "gian van code snippets", "giang van do snippets", "gian dan do snippets", "gian lan do snippets", "gian van dao snippets", "gian van de snippets", "gian van du 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: (((("gian van 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: (((("gian van do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( gian van do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian van do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.