Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
trinh va » trinh van, trinh vat, trinh ve
va trong » va truong, va thong, va tuong
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu manh - canh trinh va trong cong sat phan dau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh trinh va trong cong sat phan dau*.