Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thanh hang » thanh hoang, thanh thang, tranh hang
trinh toan » tinh toan, thanh toan, trinh quan
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
trinh han » trinh quan
cua dung » cua dang, cua dong, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hanh trang) or (thanh hang)) cua dung cong ((trinh toan) OR (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh trang) OR (thanh hang)) cua dung cong ((trinh toan) OR (trinh han)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh trang) or (thanh hang)) cua dung cong ((trinh toan) OR (trinh han)) cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh trang) or (thanh hang)) cua dung cong ((trinh toan) OR (trinh han)) cau*.