Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
manh cua » doanh cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
va tinh » may tinh
ban cua » ban quan

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