Perhaps you should try some spelling variations:
nhanh quan » nhanh quang, thanh quan, nganh quan
trinh phan » trinh han, trinh quan, thanh phan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
dung cong » dung trong
quan vat » quan va, quan sat, quan van
vat dung » van dung, va dung, viet dung
phan cau » phan dau, phan cac, phan tu

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 quan vat dung cong trinh phan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - nhanh quan vat dung cong trinh phan cau*.