Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
dinh cuu » dinh chi
cong van » cong vang, cong san, song van
tuan cau » toan cau, quan cau, tuan cu
toan tap » toan ban
sinh va » sinh vat, tinh va, dinh van

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 xanh - hanh ((dinh cuu) or (sinh va)) nhung cong van ((tuan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((dinh cuu) OR (sinh va)) nhung cong van ((tuan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((dinh cuu) or (sinh va)) nhung cong van ((tuan cau) or (toan tap))*.