Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, hanh trinh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: theo tieu tinh - ((thanh tinh) OR (than kinh)) vat dung cong van toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - ((thanh tinh) OR (than kinh)) vat dung cong van toan ban*".