Perhaps you should try some spelling variations:
thieu tinh » chieu tinh, lieu tinh, kieu tinh
thien tinh » khien tinh, thien minh, tien tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
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: hoc ((((thieu tinh) OR (thien tinh))) or (trieu tinh)) - canh doanh cua nhung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu tinh) OR (thien tinh))) OR (trieu tinh)) - canh doanh cua nhung cong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu tinh) OR (thien tinh))) or (trieu tinh)) - canh doanh cua nhung cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu tinh) OR (thien tinh))) or (trieu tinh)) - canh doanh cua nhung cong tinh toan cau*.