Perhaps you should try some spelling variations:
phong chong » thong thong
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
trung ha » trung hoc, trung tam, trung cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - thanh trung ha ((phong chong) or (thong cong)) ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung ha ((phong chong) OR (thong cong)) ban thanh lap.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung ha ((phong chong) or (thong cong)) ban thanh lap*.