Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
theo chieu » theo tieu, ho chieu, thi chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
theo chu » cho chu, chao chu, theo yeu
qua dung » quang dung, su dung, qua song
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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) OR (theo chu)) tinh - ((hanh mang) or (nhanh thang)) qua dung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) tinh - ((hanh mang) OR (nhanh thang)) qua dung cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) tinh - ((hanh mang) or (nhanh thang)) qua dung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) tinh - ((hanh mang) or (nhanh thang)) qua dung cong tac than cau*.