Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh so hoa snippets" » "tinh son hoa snippets", "tinh soc hoa snippets", "dinh so hoa snippets", "tinh do hoa snippets", "tinh so ha 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: (((("tinh so hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh so hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh so hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh so hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.