Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
dung cong » dung trong
binh vat » sinh vat, binh van, dinh vat
cong van » cong vang, cong san, song van
quan ban » quang ban, quan van, luan ban
binh va » tinh va, sinh va, benh va
qua ban » cua ban, qua quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - thanh ((binh vat) OR (binh va)) dung cong van ((quan ban) or (qua ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh ((binh vat) OR (binh va)) dung cong van ((quan ban) OR (qua ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - thanh ((binh vat) OR (binh va)) dung cong van ((quan ban) or (qua ban))*".