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
tinh cua » trinh cua, tinh chat, tranh cua
sinh cua » manh cua, dinh cuu, sinh va
dan toan » van toan, dan than, manh toan
van tan » van tuan, van ban, van tai

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