Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu tinh » trieu tinh, lieu tinh, chau tinh
chu xanh » chu manh, chieu xanh, chua xang
mang vua » mang cua, mang va, bang va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chieu tinh)) - hanh ((mang vua) OR (hang va)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu tinh)) - hanh ((mang vua) OR (hang va)) nhung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chieu tinh)) - hanh ((mang vua) OR (hang va)) nhung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu tinh)) - hanh ((mang vua) OR (hang va)) nhung cong tan toan cau*.