Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hang cong » dang cong, hang nong, bang cong
toan cau » toan cao, toan ban, toan tap
hanh va » hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet danh - nhanh ((hanh va) or (hanh vi)) hang cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - nhanh ((hanh va) OR (hanh vi)) hang cong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - nhanh ((hanh va) or (hanh vi)) hang cong thanh toan cau*.