Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
doi diep » doi dien, moi dieu, doi viet
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi diep tinh - hanh trinh cua ((cong cong) OR (dung cong)) dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi diep tinh - hanh trinh cua ((cong cong) OR (dung cong)) dan than cao".
• Adding a wildcard symbol may retrieve word variants: doi diep tinh - hanh trinh cua ((cong cong) OR (dung cong)) dan than cao*.