Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viec cho doi snippets" » "viec khoa doi snippets", "viec nhom doi snippets", "viec cua doi snippets", "viec cho moi snippets", "viec cuoc doi snippets", "viec cho tuoi 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: (((("viec cho 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: (((("viec cho doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viec cho doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viec cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.