Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung quan » truong quan, trong quan, trung tuan
quan trong » gian trong
hoc thieu » toc thieu, hoc hien
cong tam » cong tac, cong tan, cong nam
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh trung quan trong cong tam ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung quan trong cong tam ((than cau) OR (phan cau))*.