Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, nhanh chong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhanh lang » nhanh quang, nhan dang, nhanh dong
trinh toan » tinh toan, thanh toan, trinh han
qua trong » quan trong, qua trinh, qua song
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 chieu xanh - ((hanh trang) or (((nhanh lang) OR (nhanh thang)))) qua trong cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh trang) OR (((nhanh lang) OR (nhanh thang)))) qua trong cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh trang) or (((nhanh lang) OR (nhanh thang)))) qua trong cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh trang) or (((nhanh lang) OR (nhanh thang)))) qua trong cong trinh toan cau*.