Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tan toan » tap toan, van toan, dan toan

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 trinh cua nhung cong ((tan toan) OR (tan tran)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh trinh cua nhung cong ((tan toan) OR (tan tran)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh trinh cua nhung cong ((tan toan) OR (tan tran)) cao*.