Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong nguong » cong nguon, cong thuong, cong luong
hanh trang » canh tranh, hanh trinh, minh trang
nguong dan » huong dan
tieu xanh » tieu danh, chieu xanh, dieu hanh
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 trung)) cua cong nguong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh trang) OR (thanh trung)) cua cong nguong dan than cap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh trang) OR (thanh trung)) cua cong nguong dan than cap*.