Perhaps you should try some spelling variations:
tranh trong » tran trong, trinh trong, anh trong
thanh trong » thanh trung, hanh trong, nhanh trong
quan trong » gian trong
chi xanh » chi anh, chi danh, chi hanh
cong tam » cong tac, cong tan, cong nam
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - ((thanh trong) OR (tranh trong)) quan trong cong tam ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((thanh trong) OR (tranh trong)) quan trong cong tam ((than cau) OR (toan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - ((thanh trong) OR (tranh trong)) quan trong cong tam ((than cau) or (toan cau))*".