Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tinh » thanh binh, than kinh, hanh trinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cua nhung » va nhung
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: ho ((lieu tinh) or (chieu sach)) - ((thanh tinh) OR (nhanh tinh)) cua nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (chieu sach)) - ((thanh tinh) OR (nhanh tinh)) cua nhung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (chieu sach)) - ((thanh tinh) OR (nhanh tinh)) cua nhung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (chieu sach)) - ((thanh tinh) OR (nhanh tinh)) cua nhung cong tan toan cau*.