Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
khong dung » thong dung, phuong dung, cuong dung
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
thanh cua » tranh cua, than cua, hanh cua
hong bang » dong bang, hang ban, hong hanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) xanh - cong thanh cua ((hong bang) or (khong dung)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) xanh - cong thanh cua ((hong bang) OR (khong dung)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) xanh - cong thanh cua ((hong bang) or (khong dung)) manh toan ban*.