Perhaps you should try some spelling variations:
thanh trung » thanh tung
trong canh » trong anh, trong cach, trong can
thi chieu » thi chien, thi hieu, theo chieu
canh chan » can chan, canh cha, canh chau
ho chieu » theo chieu, hoc thieu, doi chieu
trung su » trung vu, trong su, trung du
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (thi chieu)) xanh - thanh trung su dung trong canh chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) xanh - thanh trung su dung trong canh chan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) xanh - thanh trung su dung trong canh chan cau*.