Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trinh » canh tranh, hanh chinh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
trinh qua » trinh quan, trinh cua, trinh quang
hang cong » dang cong, hang nong, bang cong
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
qua hang » cua hang, mua hang, qua mang
cong tac » cong ty

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 tach - hanh trinh qua hang cong tac ((thanh cau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh trinh qua hang cong tac ((thanh cau) OR (nhanh cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh trinh qua hang cong tac ((thanh cau) or (nhanh cau))*.