Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap khi doi snippets" » "lap khu doi snippets", "lap khao doi snippets", "lap khoa doi snippets", "lap khi dai snippets", "lap khi hoi snippets", "lap khi moi 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: (((("lap khi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap khi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap khi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap khi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.