Perhaps you should try some spelling variations:
thiet nang » nhiet nang, thien nang, thi nang
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
ho thiet » hoc thiet, hoa thiet, so thiet
dan toan » van toan, dan than, manh toan
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: ho thiet nang - hanh trinh quan ((nhung cong) OR (hang cong)) dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet nang - hanh trinh quan ((nhung cong) OR (hang cong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho thiet nang - hanh trinh quan ((nhung cong) OR (hang cong)) dan toan cao*.