Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, khong cang, chong cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
pham cau » phan cau, pham can, pha cau
pham ca » pham can, pham ma, pham va

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 (hoc thieu)) xanh - thanh trung cua khong cong tac ((pham cau) or (pham ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh trung cua khong cong tac ((pham cau) OR (pham ca))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - thanh trung cua khong cong tac ((pham cau) or (pham ca))*".