Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
cua phan » cua nhan, cua phap, cua han
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban
va phap » va phat, ban phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung ((cua phan) or (va phap)) cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung ((cua phan) OR (va phap)) cong tan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung ((cua phan) or (va phap)) cong tan ((toan cao) or (toan tap))*.