Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
theo chieu » theo tieu, theo chu, thi chieu
tuong quan » thong quan, luong quan, cuong quan
bang thanh » ban thanh, dang thanh, tang thanh
dung cong » dung trong
cong bang » cuong bang, dong bang, hong bang
thanh tap » thanh lap, thanh tai, thanh tay
ho chieu » hoc thieu, doi chieu, mot chieu

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) or (theo chieu)) xanh - thanh ((tuong quan) or (truong quan)) dung cong bang thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh ((tuong quan) OR (truong quan)) dung cong bang thanh tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh ((tuong quan) or (truong quan)) dung cong bang thanh tap*.