Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
hang cua » mang cua, hang ca, huong cua
dan toan » van toan, xuan toan, dien toan
dan than » dan chan, ban than, van than

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 - hanh hang cua nhung cong ((((dan toan) OR (manh toan))) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh hang cua nhung cong ((((dan toan) OR (manh toan))) OR (dan than)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh hang cua nhung cong ((((dan toan) OR (manh toan))) or (dan than)) cao*".