Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang va ke snippets" » "giang van ke snippets", "gian va ke snippets", "giang ve ke snippets", "giang va ky snippets", "giang va de snippets", "giang va le 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 va ke 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 va ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang va ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang va ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.