Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
nam thang » nam thanh, nam trong, nam trung
tam hang » pham hang, tam huong, thai hang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh trung ((tam hang) OR (nam thang)) cong tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh trung ((tam hang) OR (nam thang)) cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trung ((tam hang) OR (nam thang)) cong tac toan cau*.