Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh mang » nhanh mang, hanh trang, nhanh lang
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
mang va » mang vua, hang va, bang va

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 sang - hanh mang va thong cong san ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh mang va thong cong san ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh mang va thong cong san ((toan cau) or (toan tap))*.