Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
toan cao » toan ban
va hang » van hang, va nang, va lang

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 va hang cong dan ((toan tap) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trang va hang cong dan ((toan tap) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trang va hang cong dan ((toan tap) OR (toan cao))*.