Perhaps you should try some spelling variations:
thong danh » thong lanh, trong danh, thong thanh
hieu quan » hieu qua, lieu quan, thien quan
thuong va » truong va, thong va, thuong mai
thong dan » thong van, tuong dan, thong den
tuong va » truong va, luong va, duong va
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu quan - thanh ((tuong va) OR (thuong va)) thong ((thong danh) or (thong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quan - thanh ((tuong va) OR (thuong va)) thong ((thong danh) OR (thong dan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu quan - thanh ((tuong va) OR (thuong va)) thong ((thong danh) or (thong dan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho hieu quan - thanh ((tuong va) OR (thuong va)) thong ((thong danh) or (thong dan)) toan ban*.