Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
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 thien » nho thien, ho thiet, ho tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thien hach - hanh trinh quan ((nhung cong) or (hang cong)) dang ((toan ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thien hach - hanh trinh quan ((nhung cong) OR (hang cong)) dang ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thien hach - hanh trinh quan ((nhung cong) or (hang cong)) dang ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho thien hach - hanh trinh quan ((nhung cong) or (hang cong)) dang ((toan ban) OR (van ban))*.