Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu danh » dieu danh, tiep danh, thien danh
hanh tinh » nhanh tinh, thanh tinh, canh tinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu danh) or (dieu hanh)) - ((hanh tinh) or (hanh trinh)) cua dung cong tam toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (dieu hanh)) - ((hanh tinh) OR (hanh trinh)) cua dung cong tam toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (dieu hanh)) - ((hanh tinh) or (hanh trinh)) cua dung cong tam toan tap*.