Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, hien hanh, hieu van
trang cua » tranh cua, tang cua, trung cua
cua thong » cua thuong, cua khong, cua tong
thong tac » thong cac, tuong tac, thong tai
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu manh) OR (dieu hanh))) or (chieu xanh)) - hanh trang cua thong thong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (dieu hanh))) OR (chieu xanh)) - hanh trang cua thong thong tac van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu manh) OR (dieu hanh))) or (chieu xanh)) - hanh trang cua thong thong tac van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) OR (dieu hanh))) or (chieu xanh)) - hanh trang cua thong thong tac van ban*.