Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
phuc khong » thuc khong, thuoc khong, chu khong
khong cong » thong cong, khong cang, chong cong
hien xanh » hien hanh, hien nhanh, chieu xanh
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
can 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: hoc hien xanh - hanh trang phuc khong cong tan ((can ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trang phuc khong cong tan ((can ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trang phuc khong cong tan ((can ban) or (toan ban))*.