Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh quan » tinh quang, trinh han
thong dung » thong cong, thong thuong
dung tinh » dang tinh, dung ninh, dung tin
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: chao ((chieu xanh) or (chieu tinh)) - hanh ((trinh quan) OR (trinh luat)) thong dung tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chieu xanh) OR (chieu tinh)) - hanh ((trinh quan) OR (trinh luat)) thong dung tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chieu xanh) or (chieu tinh)) - hanh ((trinh quan) OR (trinh luat)) thong dung tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: chao ((chieu xanh) or (chieu tinh)) - hanh ((trinh quan) OR (trinh luat)) thong dung tinh toan cau*.