Perhaps you should try some spelling variations:
thuong cuong » thuong luong, thuong phuong, thuong truong
thiet hach » thien hach, thuyet hach, thiet hai
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cuong tap » luong tap, cong tac, luong tai
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
tap quan » tac quan, hai quan
quan lap » quan luan, quang lam, quan lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet hach - hanh ((mang cua) OR (dung cua)) thuong cuong tap quan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet hach - hanh ((mang cua) OR (dung cua)) thuong cuong tap quan lap".
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - hanh ((mang cua) OR (dung cua)) thuong cuong tap quan lap*.