Perhaps you should try some spelling variations:
thong tuong » thong thuong, thong thong, thong duong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua thong » cua thuong, cua khong, cua tong
tuong van » truong van, trong van, duong van
tinh cua » trinh cua, sinh cua, tinh chat
tuan cau » quan cau, tuan cu, thuan cam
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 xanh) OR (hieu manh)) - hanh tinh cua thong tuong van ((tuan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh tinh cua thong tuong van ((tuan cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh tinh cua thong tuong van ((tuan cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh tinh cua thong tuong van ((tuan cau) or (toan cau))*.