Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
manh tran » manh toan, manh tuan, canh tranh
tran tuan » tran xuan, tran quang, tran thanh
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
minh toan » manh toan, minh tuan, hinh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) or (lieu tinh)) - manh tran tuan dung cong ((minh toan) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (lieu tinh)) - manh tran tuan dung cong ((minh toan) OR (tinh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (lieu tinh)) - manh tran tuan dung cong ((minh toan) or (tinh toan)) cao*.