Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
hach toan » thanh toan
manh toan » thanh toan, anh tuan, tinh toan
manh cua » doanh cua, ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh manh cua thong cong ((hach toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh manh cua thong cong ((hach toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh manh cua thong cong ((hach toan) or (manh toan)) cau*.