Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
thuat cong » thuat song, thuat trong, thu cong
cong thanh » dong thanh, cong tan, truong thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh trinh thuat cong ((cong thanh) OR (cong trinh)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh trinh thuat cong ((cong thanh) OR (cong trinh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh trinh thuat cong ((cong thanh) OR (cong trinh)) toan ban*.