Perhaps you should try some spelling variations:
thang trong » thong trong, than trong, khoang trong
hanh trung » thanh trung, hanh trang, manh trung
trong hach » trong mach, trong cach, trong hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua thang » cua hang, cua thanh, xua thang
hach toan » thanh 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: hoc ((chinh sach) or (hieu manh)) - hanh trung cua thang trong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chinh sach) OR (hieu manh)) - hanh trung cua thang trong hach toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chinh sach) or (hieu manh)) - hanh trung cua thang trong hach toan cau*.