Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"giao viet gi snippets" » "gian viet gi snippets", "giao vien gi snippets", "gia viet gi snippets", "giao viet giao snippets", "giao viet ngu snippets", "giao viet goc snippets", "giao viet gi slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("giao viet gi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giao viet gi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giao viet gi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giao viet gi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.