Perhaps you should try some spelling variations:
chuan bang » chua beng
bang code » bang case, ming code
wing tan » wing ian, liang tan, hong tan
long tan » hong tan, long han, long thanh
yang xi » yang di, yang yi, yang jui
code pt » code ctu, code ist
yan zi » yan zhi, yuan zi, ban zi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing tan) or (long tan)) ((yang xi) or (yan zi)) chen chuan bang code pt ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing tan) OR (long tan)) ((yang xi) OR (yan zi)) chen chuan bang code pt ;*.