Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
hanh thang » thanh thang, hanh trang, danh thang
theo chieu » theo tieu, ho chieu, theo chu
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi
va dung » van dung, va duong, vat dung

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 (doi chi)) xanh - ((hanh thang) or (nhanh thang)) va dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chi)) xanh - ((hanh thang) OR (nhanh thang)) va dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chi)) xanh - ((hanh thang) or (nhanh thang)) va dung cong tac toan cau*.