Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tranh ban du snippets" » "trinh ban du snippets", "tranh hang du snippets", "tranh luan du snippets", "tranh ban dau snippets", "tranh van du snippets", "tranh ban tu 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: (((("tranh ban 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: (((("tranh ban du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh ban du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh ban du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.