Perhaps you should try some spelling variations:
phan nhanh » phan thanh, nhan nhanh, phat nhanh
hoc thieu » hoc hien
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
cong phan » cong nhan, cong khan, chong phap
nhanh bac » nhanh ha, nhanh va
manh vat » manh va, nganh vat, sinh vat
vat dung » van dung, va dung, viet dung

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) or (toc thieu)) manh - canh manh vat dung cong phan nhanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) manh - canh manh vat dung cong phan nhanh bac.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) manh - canh manh vat dung cong phan nhanh bac*.