Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh mang » nhanh mang, hanh trang, nhanh lang
hoi hieu » hoi phieu, hoi tieu, moi hieu
cua dong » chua dong, cua cong, cua nong
cua dang » cua cong, cua ban
cung quy » cong quy, dung quy, nhung quy
quy toan » huy toan, quy tuan, quyet toan
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: hoi hieu quang - hanh mang ((cua dong) or (cua dang)) cung quy toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu quang - hanh mang ((cua dong) OR (cua dang)) cung quy toan cao.
• Adding a wildcard symbol may retrieve word variants: hoi hieu quang - hanh mang ((cua dong) or (cua dang)) cung quy toan cao*.