Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu tang » chieu sang, nhieu tang, chien thang
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
phan cau » phan dau, phan cac, phan tu

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