Perhaps you should try some spelling variations:
pham thuong » phan thuong, pham hong
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
pham cong » phan cong
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » hoc thieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan

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 trung ((pham thuong) or (pham cong)) cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh trung ((pham thuong) OR (pham cong)) cong ban thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh trung ((pham thuong) or (pham cong)) cong ban thanh cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh trung ((pham thuong) or (pham cong)) cong ban thanh cau*.