Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chi xanh » chi anh, chi danh, chi hanh
cua dung » cua dang, cua dong, qua dung
toan ban » van ban
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - nhanh tinh ((cua dung) or (cua ban)) cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - nhanh tinh ((cua dung) OR (cua ban)) cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - nhanh tinh ((cua dung) or (cua ban)) cong manh toan ban*.