Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang dan ve snippets" » "gian dan ve snippets", "giang day ve snippets", "giang van ve snippets", "giang ban ve snippets", "giang dan va snippets", "giang dan viet snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("giang dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.