Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
trinh quan » tinh quang, trinh luat
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
dang toan » dang tran, dan toan, dung toan
ho thien » nho thien, ho thiet, ho tien
toan ban » van ban

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