Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
hieu manh » hieu nganh, dieu hanh, hien hanh
trung nam » trung tam, trong nam, trung cap
nam thong » nam trong, nam thang, nam phong
thong tan » thong than, thong tran, thong tin
tan toan » tan tran, tap toan, van 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) or (hieu manh))) or (chieu tinh)) - hanh trung nam thong thong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (hieu manh))) OR (chieu tinh)) - hanh trung nam thong thong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (hieu manh))) or (chieu tinh)) - hanh trung nam thong thong tan toan cau*.