Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap tranh du snippets" » "tap thanh du snippets", "lap trinh du snippets", "tap toan du snippets", "tap tranh dau snippets", "tap trang du snippets", "tap tranh duoc 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: (((("tap tranh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap tranh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap tranh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap tranh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.