Perhaps you should try some spelling variations:
phuong hanh » phuong thanh, phuong anh, phuong danh
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung lap » trung cap, truong lam, truong lop
hanh toan » thanh toan, khanh toan, manh toan
lap bang » lap ban, cao bang, mat bang
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) or (chieu sach)) - hanh trung lap bang phuong hanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh trung lap bang phuong hanh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh trung lap bang phuong hanh toan cau*.