Perhaps you should try some spelling variations:
hanh hang » thanh hang, hang hang, hanh han
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
chu xanh » chu manh, chieu xanh, chua xang
hang cua » mang cua, hang ca, huong cua
cua dung » cua dang, cua dong, qua dung
tac toan » tap toan, tam toan, hach toan
chu van » cuu van, chu han

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

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