Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu tinh » trieu tinh, lieu tinh, kieu tinh
cua thuong » cua truong, cua phuong, ca thuong
chau tinh » cuu tinh, ha tinh, cua tinh
lanh manh » lanh tranh, lan anh, anh anh
van manh » van minh, van anh, van hanh
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan tu » phan tu, han tu, chon tu

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 tinh) or (chau tinh)) - ((lanh manh) OR (van manh)) cua thuong cong tan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chau tinh)) - ((lanh manh) OR (van manh)) cua thuong cong tan chan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (chau tinh)) - ((lanh manh) OR (van manh)) cua thuong cong tan chan tu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chau tinh)) - ((lanh manh) OR (van manh)) cua thuong cong tan chan tu*.