Perhaps you should try some spelling variations:
quang tong » quang thong, quang tung, quang truong
quang dong » quang dung, quan dong, quang cuong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: theo chu xanh - hanh tinh ((quang tong) OR (quang dong)) cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh tinh ((quang tong) OR (quang dong)) cong tan toan cau*".