Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
trung he » trung ha, trong he, trung hieu
he trong » he thong, he trung, le trong
cong san » cong tac
san toan » van toan, dan toan, manh 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: ((mot chieu) or (((theo chieu) or (hoc thieu)))) xanh - thanh trung he trong cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (((theo chieu) OR (hoc thieu)))) xanh - thanh trung he trong cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (((theo chieu) or (hoc thieu)))) xanh - thanh trung he trong cong san toan cau*.