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