Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trinh van » trinh han, trinh quan, trinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan cac, phan lap

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 - canh trinh van ((nhung cong) or (thong cong)) dan ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh trinh van ((nhung cong) OR (thong cong)) dan ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh trinh van ((nhung cong) or (thong cong)) dan ((phan cau) or (phan tu))*.