Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chinh su hoc snippets" » "hinh su hoc snippets", "chinh phu hoc snippets", "chinh ta hoc snippets", "chinh tu hoc snippets", "chinh du hoc snippets", "chinh so hoc 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: (((("chinh su hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chinh su hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chinh su hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chinh su hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.