Perhaps you should try some spelling variations:
tong huong » thong huong, tong thuong, cong huong
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thiet hai » thiet bi, thi hai, thien tai
doanh cua » doanh luan
cua tong » cua cong, cua dong, cua nong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, dang thanh
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet hai - hanh doanh cua tong huong ((dan toan) or (((dan than) OR (van than)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hai - hanh doanh cua tong huong ((dan toan) OR (((dan than) OR (van than)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet hai - hanh doanh cua tong huong ((dan toan) or (((dan than) OR (van than)))) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thiet hai - hanh doanh cua tong huong ((dan toan) or (((dan than) OR (van than)))) cau*.