Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trang » canh tranh, hanh trinh, minh trang
hoac khong » hoa khong, hoc khong, hay khong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cang tac » canh tac, sang tac, can tac
cong tac » cong ty
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 trang) or (thanh trung)) hoac khong ((cang tac) OR (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh trang) OR (thanh trung)) hoac khong ((cang tac) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh trang) or (thanh trung)) hoac khong ((cang tac) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh trang) or (thanh trung)) hoac khong ((cang tac) OR (cong tac)) toan cau*.