Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung luong » hung luong, nhung huong, nhung tuong
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
luong tinh » luong tin, long tinh, luong ninh
chau tinh » cuu tinh, ha tinh, cua tinh
trung va » truong va, trang va, trung ha
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 (((chiet tach) or (chau tinh)))) - thanh trung va nhung luong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chiet tach) OR (chau tinh)))) - thanh trung va nhung luong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chiet tach) or (chau tinh)))) - thanh trung va nhung luong tinh toan cau*.