Perhaps you should try some spelling variations:
phuong manh » phuong anh, phung manh, phuong danh
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
trung lap » trung cap, truong lam, truong lop
manh toan » thanh toan, anh tuan, tinh 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 tinh)) - hanh trung lap bang phuong manh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu tinh)) - hanh trung lap bang phuong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu tinh)) - hanh trung lap bang phuong manh toan cau*.