Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
quang vat » quang va, quang van, quang phat
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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 - nhanh quang vat dung cong tan toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - nhanh quang vat dung cong tan toan cau*.